英文關鍵字
appliances
assembly
automated
automatic
automation
automotive
closeup
construction
detail
engineering
equipment
factory
heavy
household
industry
iron
lathe
line
machine
machinery
machining
manufacture
manufacturing
mechanical
metal
metalwork
metalworking
modern
nobody
part
plant
power
precision
process
processing
production
stainless
steel
technology
tool
washing
work
working
workshop