First-Line Supervisors of Mechanics, Installers, and Repairers:

Overhaul major vehicle systems such as engines or transmissions
Overhaul industrial or construction machinery or equipment
Overhaul power-generating equipment or machinery
Repair mechanical controls
Repair railroad equipment or tracks
Repair mechanical equipment or machinery
Maintain mining machinery or equipment
Maintain work tools or equipment
Lubricate machinery, equipment, or parts
Maintain manufacturing or production equipment
Maintain construction machinery or equipment
Maintain boat or ship hull
Maintain cargo or passenger vehicle
Maintain mechanical machinery or implements
Maintain small engines
Service vehicle with water, air, fuel, or oil
Perform preventative maintenance on manufacturing equipment
Clean installation, maintenance, or repair tools, equipment, or machinery
Repair cargo or passenger vehicle
Repair commercial transportation equipment

Diagnose mechanical problems in machinery or equipment
Discharge workers using employee dismissal guidelines
Diagnose malfunctioning vehicle systems based on inspection or test results
Determine installation, service, or repair needed
Diagnose refrigeration problems
Diagnose engine problems using diagnostic equipment
Diagnose electrical or electronic systems or equipment
Follow installation, maintenance, or repair safety procedures and regulations
Implement employee bargaining agreements
Implement company or staff policies
Modify work procedures, processes, or plans to meet situational needs
Recommend personnel actions such as promotions, transfers, and dismissals
Terminate relationship with clients or vendors
Terminate employment of employees or contractors
Discipline staff for infractions of rules or regulations

Test vehicle computer processors to detect malfunctions
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
Operate engine emission testing equipment
Inspect installation, maintenance, or repair machinery or equipment
Inspect mechanical systems to determine if they are operating properly
Inspect facilities to determine repair or replacement needs
Perform installation, maintenance, or repair related safety inspection
Inspect vehicle body to determine extent of damages and repairs needed
Inspect vehicle to detect malfunctions or maintenance needed
Inspect completed repair work to ensure proper functioning

Monitor project risk mitigation plan
Monitor operational activities to ensure conformance to standards, regulations, or protocols
Monitor repairs or maintenance to enforce standards
Monitor operations to ensure compliance with safety or security policies or regulations
Monitor project scope guidelines
Monitor electrical or mechanical equipment operation to detect problems
Detect installation, maintenance, or repair concerns by listening for abnormalities
Monitor work areas and activities to ensure compliance with safety procedures
Track facility or production costs
Judge terrain conditions for vehicle or equipment operation
Monitor performance of others

Determine project parameters or specifications
Determine work priorities and requirements
Estimate installation, maintenance, or repair related material requirements
Forecast departmental personnel requirements
Estimate project material requirements
Estimate project labor requirements
Estimate construction project costs
Estimate installation, maintenance, or repair related project costs
Measure materials or objects for installation or assembly