機器
airing
aluminum
bars
belt
carbon
carbon fibre
chrome
close
closeup
composites
construction
contrast
conveyor
design
detail
effective
energy
engine
engineering
factory
industrial
industry
inside
iron
light
line
manufacture
material
mechanic
motor
motorized
part
perforation
plastic
power
powerful
product
protection
reflection
roller
screws
steel
ventilation