機器
big
boiler
building
business
central
construction
control
development
electric
electricity
energy
engineering
equipment
factory
faucet
generator
heater
heavy
indoors
industrial
industry
infrastructure
installation
interior
machinery
manometer
manufacturing
measuring
metal
metallic
modern
pipe
pipes
plant
power
pressure
production
pump
station
steel
structure
supply
system
tank
technology
thermal
thermo
thermostat
turbine