英文關鍵字
business
close
closeup
component
cut
detail
engine
engineering
equipment
factory
fast
heavy
industrial
industry
iron
machine
machinery
machines
machining
manufacture
manufacturing
mechanic
mechanical
metal
metallic
milling
model
modern
mold
motion
pipes
plant
plastic
power
precision
process
processing
production
slow
slowmo
speed
stainless
steel
technology
tool
work