英文關鍵字
assembly
automatic
band
belt
business
chain
control
conveyor
drive
elevate
energy
escalator
factory
future
futuristic
gear
indoors
industrial
industry
lifting
light
line
logistics
machine
mechanical
modern
motor
move
movement
package
packaging
power
product
production
reflection
rise
roller
row
shaft
staircase
stairway
steel
steps
support
system
technology
transfer
transport
transportation
wheel