accuracy

accurate

adjusting

agricultural

agriculture

auto

circle

closeup

detail

engine

engineer

engineering

equipment

fixing

focus

garage

hand

installation

instrument

iron

machine

machinery

measure

mechanic

mechanism

men

motor

precision

repair

repairman

screwing

service

setting

speed

sprocket

station

technical

technology

ticking

tighten

tool

tractor

transport

turning

twist

vehicle

wheel

workshop

wrench