機器
accuracy
calliper
control
engine
engineer
equipment
factory
group
hand
human
inch
indoors
industrial
industry
inspector
instrument
iron
job
lathe
line
looking
machinery
machining
man
manual
manufacturing
measurement
mechanic
metal
millimeter
objects
occupation
part
production
quality
repairing
ruler
service
steel
tool
tooling
vehicle
vernier
work
worker
workshop