英文關鍵字
belt
blade
building
circular
construction
conveyor
cut
engineering
equipment
factory
flame
guide
guideway
icon
illustration
industrial
industry
instrument
laser
machine
mechanical
metal
metalcutting
metallic
metalroll
metalwork
metalworking
mill
nobody
object
press
production
repair
roll
roller
saw
semiautomatic
shear
shop
steel
symbol
system
technology
tile
tool
wood
work
workpiece
workshop