英文關鍵字
background
boring
building
business
buttons
cabinet
cables
class
closeup
complex
connecting
contemporary
control
controller
conveyor
cutting
design
development
electrical
electrician
electronics
engineering
enterprise
equipment
factory
home
house
indoors
industrial
industry
inside
interior
lighting
machine
machinery
machines
mechanism
melting
metal
milling
movement
moving
natural
old
panorama
part
people
pipe
pipes
plant
plasma
processing
production
profession
real
rear
red
robotics
sensors
side
technical
technique
terms
time
travel
turner
view
welding
wires
wood
working
works