機器
air
appliance
background
blow
building
compression
compressor
condition
conditioner
conditioning
construction
cooler
cooling
electric
electrical
electricity
engineering
equipment
factory
fan
garage
green
heat
hvac
industrial
industry
instrument
isolated
machinery
manometer
mechanic
metal
motor
pipe
pneumatic
power
pressure
pump
service
steel
system
technology
temperature
tool
valve
ventilation
white
work
yellow