機器
angle
bent
cut
equipment
factory
forming
hand
hydraulic
industrial
industry
iron
jig
labor
laborer
line
machinery
machining
male
man
manufacture
manufacturing
material
metal
metalwork
modern
operation
operator
part
people
person
plant
plate
press
process
processing
production
professional
punch
safety
service
sheet
shop
steel
technician
technology
tool
work
worker
workshop