機器
aisle
building
business
control
conveyor
cutting
cylinder
department
engine
engineering
equipment
factory
heavy
indoor
industrial
industry
iron
lathe
line
machinery
manufacture
manufacturing
metal
metallurgical
metalwork
metalworker
metalworking
mill
miller
milling
nobody
part
plant
power
processing
processor
production
quality
repair
restoration
row
several
shop
steel
technology
turner
turning
works
workshop