Help installation, maintenance, and repair workers in maintenance, parts replacement, and repair of vehicles, industrial machinery, and electrical and electronic equipment. Perform duties, such as furnishing tools, materials, and supplies to other workers; cleaning work area, machines, and tools; and holding materials or tools for other workers.

Tend and observe equipment and machinery in order to verify efficient and safe operation. Examine and test machinery, equipment, components, and parts for defects, and to ensure proper functioning. Adjust, connect, or disconnect wiring, piping, tubing, and other parts, using hand tools or power tools. Install or replace machinery, equipment, and new or replacement parts and instruments, using hand tools or power tools. Clean or lubricate vehicles, machinery, equipment, instruments, tools, work areas, and other objects, using hand tools, power tools, and cleaning equipment. Apply protective materials to equipment, components, and parts in order to prevent defects and corrosion. Transfer tools, parts, equipment, and supplies to and from work stations and other areas. Disassemble broken or defective equipment in order to facilitate repair; reassemble equipment when repairs are complete. Assemble and maintain physical structures, using hand tools or power tools. Provide assistance to more skilled workers involved in the adjustment, maintenance, part replacement, and repair of tools, equipment, and machines. Position vehicles, machinery, equipment, physical structures, and other objects for assembly or installation, using hand tools, power tools, and moving equipment. Hold or supply tools, parts, equipment, and supplies for other workers. Prepare work stations so mechanics and repairers can conduct work.

Mechanical -- Knowledge of machines and tools, including their designs, uses, repair, and maintenance. Public Safety and Security -- Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions. Mathematics -- Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.

Equipment Maintenance -- Performing routine maintenance on equipment and determining when and what kind of maintenance is needed. Active Listening -- Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times. Repairing -- Repairing machines or systems using the needed tools. Installation -- Installing equipment, machines, wiring, or programs to meet specifications. Troubleshooting -- Determining causes of operating errors and deciding what to do about it. Critical Thinking -- Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems. Operation Monitoring -- Watching gauges, dials, or other indicators to make sure a machine is working properly. Operation and Control -- Controlling operations of equipment or systems. Equipment Selection -- Determining the kind of tools and equipment needed to do a job. Active Learning -- Understanding the implications of new information for both current and future problem-solving and decision-making.

Arm-Hand Steadiness -- The ability to keep your hand and arm steady while moving your arm or while holding your arm and hand in one position. Problem Sensitivity -- The ability to tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem. Near Vision -- The ability to see details at close range (within a few feet of the observer). Oral Comprehension -- The ability to listen to and understand information and ideas presented through spoken words and sentences. Inductive Reasoning -- The ability to combine pieces of information to form general rules or conclusions (includes finding a relationship among seemingly unrelated events). Information Ordering -- The ability to arrange things or actions in a certain order or pattern according to a specific rule or set of rules (e.g., patterns of numbers, letters, words, pictures, mathematical operations). Extent Flexibility -- The ability to bend, stretch, twist, or reach with your body, arms, and/or legs. Control Precision -- The ability to quickly and repeatedly adjust the controls of a machine or a vehicle to exact positions. Finger Dexterity -- The ability to make precisely coordinated movements of the fingers of one or both hands to grasp, manipulate, or assemble very small objects. Static Strength -- The ability to exert maximum muscle force to lift, push, pull, or carry objects.

Communicating with Supervisors, Peers, or Subordinates -- Providing information to supervisors, co-workers, and subordinates by telephone, in written form, e-mail, or in person. Inspecting Equipment, Structures, or Material -- Inspecting equipment, structures, or materials to identify the cause of errors or other problems or defects. Performing General Physical Activities -- Performing physical activities that require considerable use of your arms and legs and moving your whole body, such as climbing, lifting, balancing, walking, stooping, and handling of materials. Monitor Processes, Materials, or Surroundings -- Monitoring and reviewing information from materials, events, or the environment, to detect or assess problems. Evaluating Information to Determine Compliance with Standards -- Using relevant information and individual judgment to determine whether events or processes comply with laws, regulations, or standards. Handling and Moving Objects -- Using hands and arms in handling, installing, positioning, and moving materials, and manipulating things. Identifying Objects, Actions, and Events -- Identifying information by categorizing, estimating, recognizing differences or similarities, and detecting changes in circumstances or events. Controlling Machines and Processes -- Using either control mechanisms or direct physical activity to operate machines or processes (not including computers or vehicles). Getting Information -- Observing, receiving, and otherwise obtaining information from all relevant sources. Organizing, Planning, and Prioritizing Work -- Developing specific goals and plans to prioritize, organize, and accomplish your work.