英文關鍵字
background
boring
building
business
class
close
closeup
complex
construction
contemporary
controller
conveyor
curtain
cutting
design
development
diverse
electrical
electrician
electrode
electronics
engineering
equipment
facing
factory
flames
higher
home
house
indoors
industrial
industry
interior
lighting
machine
machinery
mechanism
melting
metal
milling
natural
neat
old
parts
people
plant
plasma
processing
produces
production
profession
real
red
robotics
room
shooting
sparks
table
technical
technique
temperature
terms
time
travel
turner
two
view
welder
welding
where
wood
working