機器
arc
automated
automation
band
bend
bender
bending
bending mechine
bending metal
curve
engineering
equipment
factory
folding
forming
industrial
industry
ironwork
machine part
machinery
manufacture
manufacturing
mechanic
metal
metal forming
metalwork
metalworking
operation
part
pipe
pipe bending
pipe machine
pipe tube
press
pressure
processing
production
rod
roll
roller
semiautomatic
sheet
steel
technology
tool
tube
tubebending
work
workshop