金属産業
accuracy
adjustable wrench
adjusting
building activity
business finance and industry
chrome
construction equipment
construction industry
construction machinery
control
engine
engineer
equipment
examining
factory
heavy
industrial equipment
industry
iron metal
lathe
machine part
maintenance engineer
manual worker
manufacturing
manufacturing equipment
mechanic
metal
metallic
metalwork
molding a shape
operating
place of work
problems
production line
professional occupation
quality control
repairing
repairman
screwdriver
service
solution
steel
technician
technology
turning
worker
workman
workshop
wrench