機器
automatic
bending
building
business
close up
construction
continuous
conveyor
engineering
equipment
fabrication
factory
feeder
forming
heavy
industrial
industry
iron
line
machinery
machining
manufactory
manufacture
manufacturing
material
mechanical
metal
metallurgy
metalwork
metalworking
operation
plant
plate
production
production line
professional
pulley
roll
roller
rollers
rolling
sheet
sheeting
steel
technology
tool
tools
work
workshop