機器
accuracy
bolt
caliper
closeup
control
engine
engineer
engineering
equipment
factory
group of objects
human hand
inch
indoors
industrial equipment
industrial objects
industry
inspector
instrument of measurement
iron
large
lathe
looking
machine part
machining
manual worker
mechanic
metal
millimeter
nut
part of
production line
quality control
repairing
ruler
steel
tooling
vehicle part
vernier calliper
workshop