英文關鍵字
auto
automated
background
blue
bottle
box
business
car
clean
conveyor
drive
engine
engineering
equipment
factory
fire
flame
food
glass
industrial
industry
jar
line
machine
machinery
manufacturing
many
medical
medicine
metal
motion
pack
packaging
part
pharmaceutical
pharmacy
plant
plastic
production
science
set
steel
technology
tools
tube
wash
washing
white
work
working