機器
abstract
accuracy
alloy
blade
close
close up
construction
contemporary
curve
efficiency
electricity
engine
engineering
equipment
factory
fossil
fuel
gas
generation
generator
industrial
industrial equipment
industry
metal
metallic
new
no people
object
part
part of
plant
power
precise
precision
repair
sharp
spinning
stainless
steam
steel
technology
texture
tool
turbine
turbo
up
wind
workshop