The Case 580C is a workhorse in the world of heavy equipment, known for its durability and versatility in the construction and agricultural sectors. However, like all machines, it can face issues that affect its performance. One of the most common problems reported by operators is hard starting—especially when the machine has been sitting idle for some time.
In this article, we will explore the potential causes of hard starting in the Case 580C, and provide some solutions that can help get your backhoe loader up and running smoothly again.
Understanding the Hard Starting Issue
Hard starting refers to a situation where the engine takes longer than usual to start, or in some cases, may not start at all. This issue can become more prevalent when the machine has been left idle for an extended period. It can be frustrating for operators who need to get to work quickly, and it can also lead to increased wear and tear if not addressed properly.
There are several factors that could contribute to hard starting problems in the Case 580C. Understanding these common causes will help you narrow down the root of the issue and find the right solution.
Common Causes of Hard Starting in the Case 580C
1. Fuel System Problems
One of the most common causes of hard starting is an issue with the fuel system. When a machine sits idle for a while, fuel can begin to degrade or evaporate, leading to poor combustion and difficulty starting the engine. The following fuel system issues can contribute to hard starting:

• Clogged fuel filters: Over time, fuel filters can become clogged with dirt and debris, restricting fuel flow to the engine. This can cause difficulty in starting, as the engine may not be receiving the right amount of fuel.
  
• Fuel injector problems: If the fuel injectors are clogged or malfunctioning, they may not deliver the correct amount of fuel to the engine, causing the engine to struggle during startup.
  
• Water contamination in fuel: If water has entered the fuel tank (often due to condensation), it can cause starting issues. Water in the fuel can prevent proper combustion, leading to hard starting or engine stalling.
  

• The engine starts slowly or takes longer than usual to turn over.
  
• The engine produces excessive smoke during startup.
  
• There is noticeable difficulty starting the engine in cold weather conditions.
  

Hydraulic systems are the backbone of many heavy machines, providing the necessary power for a range of functions, from lifting to digging. The Kubota U17, a popular mini excavator, is no exception. However, like any hydraulic system, it’s prone to issues such as burst hydraulic lines, which can cause downtime and costly repairs. In this article, we will explore the potential causes of hydraulic line bursts on the Kubota U17, ways to prevent such failures, and solutions for getting your machine back to work quickly.
Understanding the Role of Hydraulic Lines in the Kubota U17
The Kubota U17 is equipped with a powerful hydraulic system that operates a variety of machine functions, including the boom, arm, and bucket. Hydraulic lines carry pressurized fluid throughout the system, enabling these components to move smoothly and efficiently. When a hydraulic line bursts, it can lead to fluid leaks, loss of pressure, and a halt in operation.
Given the high pressures and constant stress hydraulic lines are under, it’s essential that they remain in good condition for the machine to function properly. A burst line not only impedes work but can also lead to safety hazards if not addressed quickly.
Common Causes of Hydraulic Line Bursts on the Kubota U17
A burst hydraulic line is a common issue in many hydraulic systems, including the Kubota U17. Several factors can contribute to the failure of these lines:
1. Excessive Pressure
Hydraulic systems operate under high pressure, which is necessary to perform tasks efficiently. However, if the system experiences an overpressure condition—either due to a malfunctioning pressure relief valve, improper settings, or a blocked line—the increased pressure can cause the hydraulic line to burst. Over time, constant exposure to excessive pressure weakens the line, making it more prone to failure.
2. Wear and Tear
Constant use of the Kubota U17 means its hydraulic lines are subject to wear and tear. The rubber and metal components that make up hydraulic lines can degrade over time, especially if the machine operates in harsh conditions. Factors such as extreme temperatures, exposure to abrasive materials, or the natural aging of rubber hoses can contribute to the deterioration of the hydraulic lines.
3. Vibration and Friction
In heavy machinery, constant vibration and friction are inevitable. These forces can cause hydraulic lines to rub against nearby components, wearing away the protective outer layer of the hose. As this layer deteriorates, the inner hydraulic line becomes vulnerable to leaks and, ultimately, bursts.
4. Improper Installation or Maintenance
Another common cause of hydraulic line bursts is improper installation. If a hydraulic line is not installed correctly or is not properly tightened, it can develop weak points that are prone to failure under pressure. Additionally, improper maintenance, such as failing to replace worn hoses or neglected connections, can increase the likelihood of line bursts.
5. Contaminants in the Hydraulic Fluid
Contaminants in the hydraulic fluid, such as dirt, water, or metal particles, can damage hydraulic components, including lines. Contaminated fluid can cause the seals inside the hydraulic system to fail, leading to excessive wear on the hydraulic lines and other critical components. Over time, this can result in line bursts and system failure.
Preventing Hydraulic Line Failures on the Kubota U17
Preventing hydraulic line bursts requires proactive maintenance and careful attention to the hydraulic system. Below are some key measures that can help ensure the longevity of your Kubota U17’s hydraulic lines:
1. Regular Inspections
Routine inspections of the hydraulic system are critical to catching potential issues before they become serious problems. Inspect the hydraulic lines for signs of wear, abrasions, cracks, or leaks. Check the condition of hose fittings, connections, and the condition of the hydraulic fluid. Early detection of any wear and tear can help prevent a sudden line burst.
2. Maintain Proper Pressure Settings
Ensure that the pressure relief valves are properly calibrated and functioning as they should. Overpressure is one of the most common causes of hydraulic line failure. Regularly check the hydraulic pressure settings to make sure they are within manufacturer specifications. If pressure levels are too high, it could lead to premature failure of the hydraulic system.
3. Clean Hydraulic Fluid
Ensure that the hydraulic fluid remains clean and free of contaminants. A regular fluid change, along with proper filtration, helps prevent damage to the hydraulic system components, including the lines. In some cases, you may also want to use hydraulic fluid with special additives designed to reduce wear and improve the life of the system.
4. Proper Storage and Handling of Hydraulic Lines
When replacing or installing hydraulic lines, ensure that they are correctly routed, supported, and protected from rubbing against other components. Properly secured hoses reduce the risk of abrasion, while using protective covers or sleeves can prevent damage due to environmental factors such as UV rays or sharp objects.
5. Address Vibration and Friction
Minimize the effects of vibration and friction by ensuring that hydraulic lines are properly secured and insulated from constant movement. Use brackets, clamps, or shields to prevent hoses from rubbing against nearby components, which can accelerate wear and tear.
Repairing a Burst Hydraulic Line on the Kubota U17
If a hydraulic line on your Kubota U17 bursts, it’s essential to act quickly to minimize damage and restore functionality to the machine. Here’s a general guide on how to repair a burst hydraulic line:
1. Safety First
Before beginning any repair, ensure that the hydraulic system is depressurized. This can usually be done by turning off the engine and activating any relief valves to release pressure from the lines. Wear appropriate personal protective equipment (PPE) to avoid contact with hydraulic fluid, which can be harmful.
2. Identify the Burst Line
Locate the damaged hydraulic line by checking for fluid leaks or visible signs of rupture. If the line is completely ruptured, it may need to be replaced entirely. For smaller leaks, the hose may be repairable, but it’s important to assess the extent of the damage before proceeding.
3. Replace or Repair the Line
For a complete replacement, ensure that the new hydraulic line is of the correct size, length, and material. Be sure to use parts that meet the specifications provided by Kubota to avoid further issues down the road. If repairing, use hydraulic hose repair kits designed for the specific size of your line, and ensure that the fittings are properly tightened to prevent further leaks.
4. Test the System
Once the repair is complete, reattach the line, check all connections, and refill the hydraulic fluid if necessary. Start the Kubota U17 and test the system to ensure that the repair was successful and that there are no further leaks or pressure issues.
Real-World Example: Hydraulic Line Failure on a Construction Site
A contractor working on a construction site with a Kubota U17 mini excavator experienced a burst hydraulic line during a critical excavation task. The burst resulted in a significant loss of hydraulic fluid, bringing the machine to a standstill. The crew immediately conducted a thorough inspection, identified the damaged line, and replaced it with a new hose. The downtime was minimized by having spare parts on hand, and the excavator was back in operation within a few hours.
Conclusion
Hydraulic line bursts on the Kubota U17 can be a frustrating and costly issue, but with proper care, preventive maintenance, and timely repairs, you can minimize the risk of failure. Regular inspections, attention to detail when handling hydraulic fluid, and the use of high-quality parts are key to ensuring that your mini excavator continues to perform at its best. Whether you’re working on a construction site or landscaping project, keeping your Kubota U17’s hydraulic system in top condition will help you avoid unnecessary downtime and maintain productivity.

The JLG 600A is a versatile aerial lift known for its ability to handle both gasoline and propane as fuel sources. While this dual fuel capability offers flexibility, it can also lead to unique mechanical challenges, particularly when switching between fuel types. Issues related to fuel system malfunctions or operational failures can be frustrating, especially for operators relying on the equipment to complete time-sensitive projects. Understanding the core issues and troubleshooting solutions can help prevent prolonged downtime.
In this article, we explore some common problems with the JLG 600A dual fuel system, how to troubleshoot these issues, and potential solutions to keep the equipment running efficiently.
Common Issues with the JLG 600A Dual Fuel System
Operating a dual fuel system presents unique challenges that can affect the performance and reliability of the JLG 600A. Fuel system problems are a primary concern, and if left unresolved, they can lead to equipment failure. Here are some common issues:
1. Difficulty Switching Between Gasoline and Propane
One of the most frequent complaints from users of the JLG 600A is the difficulty switching between gasoline and propane. The dual fuel system requires a seamless transition between the two fuels, but if the switching mechanism fails, the lift may not function properly on either fuel type. This issue could arise from:

• Clogged fuel lines: Over time, sediment and contaminants can build up in fuel lines, causing inconsistent fuel flow.
  
• Faulty fuel switch: The switch or valve that allows the operator to change between propane and gasoline might be malfunctioning or worn out.
  
• Fuel quality issues: Propane or gasoline that is contaminated or of poor quality can cause poor engine performance, especially when switching fuels.
  

• Fuel mixture issues: A faulty or dirty carburetor can disrupt the proper fuel-to-air mixture needed for optimal engine performance.
  
• Ignition system problems: Worn-out spark plugs or ignition coils can lead to misfiring and stalling when running on either fuel.
  
• Fuel pump failure: A failing fuel pump may not provide the necessary pressure to maintain consistent engine performance, especially when switching fuels.
  

• Low fuel pressure: If the regulator fails, the propane may not reach the engine at the correct pressure, causing it to run poorly or not start at all.
  
• Propane leakage: A worn-out or improperly sealed regulator may lead to propane leaks, which are hazardous and could affect the lift’s performance.
  

The world of heavy equipment is filled with specialized machinery that performs essential tasks in construction, mining, and other industries. One such machine, the Eimco dozer, is a classic example of engineering designed to handle rugged terrains and tough jobs. However, like all heavy equipment, Eimco dozers experience wear and tear over time, often leading to the need for spare parts, particularly idlers.
In this article, we will explore the common challenges faced by owners of Eimco dozers, focusing on idler problems, and provide insights into sourcing and replacing dozer parts. We will also look at the broader context of maintaining aging heavy machinery and how businesses can optimize their repair and maintenance strategies.
Understanding the Role of Idlers in Dozers
The idler in a dozer is a crucial component in the undercarriage system. It is located at the front of the track frame and helps in guiding and maintaining tension on the tracks. Idlers also contribute to the overall stability of the machine as it moves through various types of terrain. Given the critical nature of this component, any issues with the idler can significantly impact the machine’s performance and operational efficiency.
Common Idler Problems in Eimco Dozers
Like other heavy machinery, the idler on an Eimco dozer can experience wear and tear, especially after years of use in harsh environments. Some common problems include:

• Excessive Wear and Tear: Over time, the idler’s surface can wear down due to friction with the tracks. This may cause the tracks to lose tension and result in poor tracking or skipping, which can compromise the dozer's overall efficiency.
  
• Misalignment: When the idler is misaligned, it may cause the tracks to shift unevenly, leading to inconsistent operation. This can affect the dozer’s ability to perform precise tasks, such as grading or excavation.
  
• Cracks or Damage to the Idler: Constant exposure to tough terrain and heavy loads can lead to cracks or physical damage to the idler. This can cause the dozer to stop functioning until the issue is resolved.
  
• Track Tension Issues: If the idler’s components fail to maintain proper track tension, it could lead to a decrease in the life expectancy of the tracks and other related undercarriage components.
  

• OEM Parts: These are made by the same company that manufactured the original parts for the dozer. They are typically of higher quality and guaranteed to be a perfect fit for your equipment. However, OEM parts can be expensive and harder to find for older models.
  
• Aftermarket Parts: These parts are made by third-party manufacturers and may not always meet the same standards as OEM parts. On the plus side, they are often more affordable and easier to find. However, quality and fitment can vary, so it’s important to verify the reputation of the manufacturer before purchasing.
  

When dealing with a 3066 motor, whether you're a seasoned mechanic or just someone who's been tasked with fixing it, the learning curve can be steep. Many newcomers to heavy equipment maintenance may not have the knowledge required to identify and fix engine issues, but with the right approach and guidance, it is entirely possible to get your motor running smoothly again.
In this article, we will take a look at some of the common issues that could arise with the 3066 motor, particularly for those who may not have extensive experience with heavy equipment. We’ll cover the most frequently asked questions, troubleshooting steps, and insights that can help you solve problems effectively, saving both time and money.
What is a 3066 Motor?
The 3066 motor typically refers to an engine model used in various construction and agricultural equipment. Often found in machinery like tractors, excavators, and loaders, the 3066 is known for its robust performance and longevity. These engines are often part of heavy-duty systems that require consistent power and reliability to operate in demanding environments.
Whether you’re dealing with a hydraulic system failure, performance issues, or other mechanical failures, understanding the basic components of the 3066 motor will help you make sense of the problem and approach a solution.
Common Problems with the 3066 Motor
1. Low Power or Poor Performance
One of the most frequently reported issues with the 3066 motor is reduced power or poor performance. This can be attributed to various causes such as:

• Fuel system problems: Clogged fuel filters or a malfunctioning fuel pump could lead to insufficient fuel delivery, resulting in poor engine performance.
  
• Air intake issues: A blocked air filter or damaged air intake can reduce the amount of oxygen reaching the engine, hindering its performance.
  
• Exhaust restrictions: A clogged exhaust system or malfunctioning exhaust gas recirculation (EGR) valve can cause power loss by restricting the flow of exhaust gases.
  

• Low coolant levels: If the coolant system is not properly maintained, the engine can overheat.
  
• Faulty thermostat: A malfunctioning thermostat can prevent coolant from circulating properly, causing temperature spikes.
  
• Damaged radiator: A clogged or damaged radiator reduces the engine’s ability to cool effectively.
  

• Inspect the fuel and air filters: Replace any clogged filters, as they can limit fuel and air flow to the engine, reducing power and efficiency.
  
• Check fluid levels: Ensure that engine oil, coolant, and hydraulic fluids are at the proper levels.
  
• Examine hoses and belts: Check for cracks, leaks, or wear on the hoses and belts. A broken belt can cause serious issues with engine operation.
  

When it comes to digging, sorting, and sifting materials, a skeleton grate bucket is one of the most versatile attachments you can use for excavators, backhoes, and skid steers. Often seen on construction sites, demolition jobs, and landscaping projects, this type of bucket provides the perfect solution for separating materials by size or weight while maintaining high operational efficiency. This article delves into the features, benefits, and applications of skeleton grate buckets and highlights key considerations when selecting the right one for your machine.
What is a Skeleton Grate Bucket?
A skeleton grate bucket is a type of bucket designed with spaced bars or grates that allow material to sift through while retaining larger debris. These buckets are typically used in applications where material separation is required, such as in construction, demolition, and landscaping projects. They are often used to screen and separate soil, rock, gravel, and other materials based on size and weight.
The primary design difference between a skeleton grate bucket and a standard bucket is the grated opening that runs across the width of the bucket. This allows smaller particles to fall through while the larger ones are retained. The bars can vary in width and spacing, depending on the specific needs of the job. The skeleton grate bucket is commonly found as an attachment for excavators, skid steers, and loaders.
Key Features of Skeleton Grate Buckets
1. Durability and Construction
Skeleton grate buckets are designed to handle tough tasks, making them an essential tool for heavy-duty work environments. Typically constructed from high-strength steel, these buckets can withstand harsh conditions and are resistant to wear and tear. The frame is reinforced to handle heavy loads, while the grates are made from strong steel or alloy to prevent bending or cracking during intense operations.
2. Versatile Sifting and Sorting Capabilities
The primary advantage of a skeleton grate bucket is its ability to sift and separate materials efficiently. This is especially useful when dealing with materials such as:

• Soil and Sand: Separating fine sand from larger rocks or debris.
  
• Construction Debris: Removing smaller, unwanted materials from larger, reusable pieces.
  
• Waste Materials: Sorting through demolition waste or land clearing debris for salvageable materials.
  

Maintaining and operating heavy equipment is no small feat. Whether you're working with bulldozers, excavators, or loaders, every piece of machinery comes with its own set of challenges. Operators and maintenance crews often find themselves dealing with unexpected breakdowns, parts failures, or even the smallest issue that can snowball into a major setback. The "always something" mentality captures the essence of dealing with these recurring problems in the world of heavy equipment.
In this article, we will take a closer look at the realities of equipment maintenance, explore common problems operators face, and discuss practical solutions to keep things running smoothly. Along the way, we will delve into the lessons learned from field experiences and industry insights, giving you a comprehensive overview of what to expect when working with heavy machinery.
The Ever-Present Maintenance Challenges
One of the biggest hurdles in the heavy equipment industry is the unpredictability of machinery issues. Even the most well-maintained machines are susceptible to failures, especially when they are subjected to heavy use and extreme conditions. Operators often find themselves facing problems like:

• Hydraulic system malfunctions: Hydraulic issues are some of the most common and frustrating problems in heavy equipment. Leaks, loss of pressure, and faulty pumps can cause machines to lose their power or fail entirely.
  
• Electrical faults: From wiring failures to faulty sensors, electrical issues can be tricky to diagnose. A small electrical glitch can cause the entire system to malfunction, affecting everything from engine performance to hydraulic systems.
  
• Wear and tear: Over time, even the most robust machines will suffer from wear and tear. Components like tracks, tires, belts, and bearings degrade with usage, leading to increased maintenance costs and frequent breakdowns.
  

• Checking fluid levels and oil changes.
  
• Inspecting and cleaning air filters and cooling systems.
  
• Tightening and lubricating moving parts to prevent wear and tear.
  

Komatsu machines are renowned for their durability and high performance in construction and mining industries. However, like all heavy equipment, they can sometimes experience power loss, which can severely affect productivity and lead to costly downtime. In this article, we will explore common causes of power loss in Komatsu machinery, particularly in engines, and provide troubleshooting steps and solutions. We will also look at real-world examples of how these issues were resolved in the field and discuss preventative measures to avoid power loss issues in the future.
Common Causes of Power Loss in Komatsu Equipment
Power loss in Komatsu machines can manifest in various forms, such as the engine running weakly or even stalling. The issue could arise from several different components of the system, each requiring careful diagnosis. Some of the most common causes of power loss include:
1. Fuel System Issues
A common culprit behind power loss in Komatsu equipment is a problem in the fuel system. If there is inadequate fuel supply to the engine, it will fail to operate efficiently. Fuel system problems can include:

• Clogged Fuel Filters: Over time, fuel filters can become clogged with contaminants such as dirt, rust, and sludge. This restricts the flow of fuel to the engine, causing a drop in power.
  
• Fuel Line Blockages: Any obstruction in the fuel lines, such as debris or corrosion, can limit fuel delivery.
  
• Air in the Fuel System: Air entering the fuel system can cause inconsistent engine performance and power loss.
  

• Dirty Air Filters: Over time, air filters can accumulate dirt, dust, and other debris, which restricts airflow to the engine.
  
• Intake Manifold Leaks: Any leak in the intake manifold will allow air to bypass the engine’s combustion process, causing it to lose power.
  

• Clogged Mufflers or Exhaust Pipes: These can restrict exhaust flow, leading to a loss of engine power.
  
• Faulty Turbocharger: In turbocharged engines, a malfunctioning turbocharger can result in insufficient exhaust gas flow, reducing engine power.
  

• Faulty Sensors: Sensors that monitor fuel, air, and exhaust systems can malfunction and provide incorrect readings, affecting engine performance.
  
• Wiring or Connector Issues: Loose or corroded wiring and connectors can cause intermittent power loss or complete engine shutdowns.
  

The Diamond Z 1260 is a robust and powerful horizontal grinder, widely used in industries ranging from construction and forestry to recycling and land clearing. Known for its exceptional productivity and durability, the 1260 model is highly sought after for processing wood, demolition debris, and other waste materials.
In this article, we will delve into the features, capabilities, and common troubleshooting tips for the Diamond Z 1260 grinder. We will also highlight some real-world applications and practical insights, drawing on industry knowledge and user experiences.
What is the Diamond Z 1260?
The Diamond Z 1260 is part of Diamond Z's line of high-performance grinders. It is specifically designed for high-capacity grinding in tough conditions. Its horizontal design allows for maximum throughput, making it an ideal choice for large-scale operations. The 1260 grinder is equipped with a powerful diesel engine, making it capable of grinding various types of materials, including:

• Wood waste: Logs, tree stumps, brush, and other organic materials.
  
• Construction debris: Concrete, asphalt, and other mixed materials.
  
• Demolition waste: Scrap metal, roofing materials, and wood composites.
  

• Cause: Materials that are too large or dense for the grinder can cause clogs or jams in the feed system.
  
• Solution: Ensure that materials are properly pre-processed before feeding them into the grinder. Regularly inspect the infeed and clear any blockages to prevent downtime.
  

• Cause: A drop in power or efficiency can be caused by a clogged air filter, fuel system issues, or engine problems.
  
• Solution: Check the air filter and fuel system regularly. Clean or replace filters and ensure that fuel is flowing freely to the engine. If power loss persists, consider a diagnostic check-up from a certified technician.
  

• Cause: An uneven grind size can result from worn-out hammers or screens, or if the grinder’s settings aren’t properly adjusted.
  
• Solution: Inspect the hammers and screens for wear and replace them as needed. Ensure that the settings are calibrated correctly for the material you’re grinding.
  

When it comes to lifting and accessing elevated areas, the Genie 34/22 Bi boom lift is a popular choice. Known for its flexibility and range, the Genie 34/22 Bi is a versatile machine commonly used in construction, maintenance, and other industrial sectors. This article explores the key features of the Genie 34/22 Bi, its applications, advantages, and the key considerations for choosing the right machine for your job.
What is the Genie 34/22 Bi?
The Genie 34/22 Bi is a bi-energy boom lift designed to provide both electric and diesel-powered operation. This flexibility makes it an ideal choice for a wide range of projects, particularly in environments where power access is limited or mobility is crucial. The model's design allows it to function effectively in both outdoor and indoor applications, offering users the ability to reach heights of up to 34 feet, with a maximum outreach of 22 feet.
Key Features of the Genie 34/22 Bi
1. Dual Power Sources: Diesel and Electric
One of the standout features of the Genie 34/22 Bi is its bi-energy capability, which combines the best of both worlds. The machine can be powered by:

• Electric Power: This mode is ideal for indoor use, providing quieter operation and eliminating emissions, which is crucial when working in enclosed or sensitive environments.
  
• Diesel Power: This mode is better suited for outdoor jobs, especially where heavy-duty performance is needed, such as on rough terrain or large construction sites. Diesel engines provide more torque and allow the lift to reach its full height and load capacity more efficiently.
  

• Maximum Platform Height: 34 feet (10.36 meters)
  
• Maximum Outreach: 22 feet (6.7 meters)
  
• Platform Capacity: Up to 500 lbs (227 kg)
  

• Narrow Width: The compact design of the Genie 34/22 Bi allows it to easily fit into tight spaces, making it an excellent choice for congested job sites or indoor environments.
  
• Rough Terrain Tires: The diesel-powered mode is equipped with large, rough terrain tires that enable the machine to traverse uneven surfaces like gravel, dirt, or construction debris.
  
• Articulating Arm: The articulating boom allows for a wide range of motion, which is particularly beneficial for accessing hard-to-reach areas, such as over obstacles or along uneven ground.
  

• Roof repairs
  
• Facade cleaning and maintenance
  
• Electrical and plumbing installation in elevated positions
  
• Structural inspections
  

• Stocking shelves
  
• Installing lighting and signage
  
• Maintenance of overhead equipment
  
• Cleaning high spaces like ceilings or ventilation systems
  

• Window cleaning
  
• HVAC servicing
  
• Painting and decorating
  
• Electrical work and general facility upkeep
  

• Fall Protection Systems: Including guardrails and harness points for operators.
  
• Automatic Leveling: Ensures stability when working on uneven surfaces.
  
• Proportional Controls: Allow for smooth and precise control of the lift and boom movements, which helps prevent sudden jerks and improves safety.