英文關鍵字
automated
automatic
blow
bottle
business
concept
construction
conveyor
craft
cut
cutter
cutting
device
ecologic
ecology
equipment
factory
fire
glass
glazier
glowing
gold
grinding
hand
heat
hot
incandescent
industrial
industry
instrument
liquid
machine
machinery
making
man
manual
manufacture
manufacturing
metal
process
processing
production
protection
quality
steel
technology
tool
window
work
worker