英文關鍵字
alcohol
alembic
boiler
brewery
chemistry
clean
construction
control
dairy
device
engineering
equipment
factory
faucet
food
fuel
indoors
industrial
industry
interior
machinery
many
metal
metallic
modern
new
nobody
pharmaceutical
pipe
pipeline
plant
process
processing
production
stainless
steel
storage
system
tank
tap
technology
tube
valve
wine
winery