機器
barrel
building
chemical
chimney
construction
distillery
editable
energy
engineering
equipment
exterior
factory
fuel
gas
gasoline
generator
illustration
industrial
industry
machinery
manufacturing
mechanic
mechanical
nuclear
oil
petrochemical
petroleum
pipe
pipeline
pipework
piping
plant
pollution
power
processing
production
radioactive
reactor
refinery
scalable
steam
steel
structure
technology
tower
tube
warehouse
workshop