英文關鍵字
auto
automatic
caoutchouc
casing
conveyor
engineer
equipment
factory
gum
heavy
industrial
industry
lid
line
machine
machinery
manufacture
manufacturer
modern
motion
occupation
orange
part
plant
process
production
professional
recycling
robot
robotic
rotation
rubber
storage
synthetic
tape
technology
tire
tyre
wheel
work
workshop