機器
barrier
blade
closeup
coat
construction
contemporary
electricity
energy
engine
engineering
equipment
evaporation
extreme
factory
gas
gear
generator
heat
heavy
highspeed
industrial
industry
long
machinery
manufacturing
metal
new
plant
power
powerful
pressure
production
repair
short
stainless
steam
steel
technology
texture
thermal
tool
turbine
turbo
workshop