英文關鍵字
appliance
automatic
bar
complex
component
control
device
durable
equipment
factory
gear
industry
instrument
manufacture
material
mechanism
media
metal
modern
motor
object
offset
output
panel
paper
part
pile
pin
plant
plastic
polygraphy
precise
press
process
production
progress
publish
resource
robot
science
sheet
solid
stage
switch
system
technology
thick
tool
workshop