英文關鍵字
automated
automatic
backgrounds
blow
blowpipe
bottle
burner
burning
business
cinematography
concept
conveyor
cut
device
drawn
ecologic
ecology
environment
equipment
factory
fire
flames
glass
glowing
gold
heat
hot
incandescent
industrial
industry
instrument
liquid
machine
making
manufacturing
melted
molten
motion
nature
process
processing
produce
production
quality
recycling
scissors
technical
technology
work