Aircraft Mechanics and Service Technicians:

Assemble gear systems
Disassemble equipment to inspect for deficiencies
Assemble equipment or components
Assemble electrical components, subsystems, or systems
Reassemble equipment after repair
Apply adhesives, caulking, or sealants
Apply protective sealants or coatings
Laminate objects for preservation, protection, and durability
Paint surfaces such as walls
Cut materials according to specifications or needs
Cut metal or plastic material
Remove parts or components from equipment
Solder metal parts, piping, or components
Weld metal parts and components
Weld metal structures
Sand metal or plastic objects
File metal or plastic objects
Grind metal objects
Set mechanical or electrical controls or components
Align equipment or machinery
Install machine or equipment replacement parts
Install electrical components, equipment, or systems
Mold metal or plastic materials through bending or straightening
Install plumbing, piping, or water handling systems
Assemble machine tools, parts, or fixtures
Assemble/Disassemble manufactured aircraft products by hand
Shape metal or plastic
Drill holes in parts, equipment, or materials
Dismantle/Reassemble rigging
Process metals using power or hand tools

Overhaul major vehicle systems such as engines or transmissions
Repair mechanical timing devices
Overhaul power-generating equipment or machinery
Repair mechanical controls
Repair mechanical equipment or machinery
Repair cargo or passenger vehicle
Repair aircraft ignition systems
Repair specialized rigging
Repair aircraft propulsion systems
Repair commercial transportation equipment
Align vehicle frame
Conduct tests to locate mechanical system malfunction
Replace malfunctioning or worn mechanical components
Perform hydraulic plumbing
Adjust clearances of mechanical or electrical components or parts
Clean installation, maintenance, or repair tools, equipment, or machinery
Maintain cargo or passenger vehicle
Maintain small engines
Adjust clearances of vehicle body parts or components
Service green vehicles to make repairs or maintain good working order
Maintain welding machines or equipment
Maintain work tools or equipment
Lubricate machinery, equipment, or parts
Calibrate mechanical equipment or instruments to specification
Service vehicle with water, air, fuel, or oil
Repair malfunctioning or worn mechanical components

Test mechanical products or equipment
Operate vehicle engine electrical systems test equipment
Test electrical or electronic systems or equipment
Test operation of malfunctioning machinery
Test electrical or electronic wiring or fixtures
Inspect vehicle body to determine extent of damages and repairs needed
Inspect aircraft or aircraft components
Inspect vehicle to detect malfunctions or maintenance needed
Conduct preflight, in-flight, or post-flight checks of aircraft
Perform installation, maintenance, or repair related safety inspection
Inspect installation, maintenance, or repair machinery or equipment
Inspect objects using x-ray or magnetic methods
Test fluids to identify contamination or other problems
Inspect completed repair work to ensure proper functioning
Perform inspection of tools or equipment prior to use