機器
air
building
compression
conditioning
cool
cooler
cooling
danger
drains
dry
electric
electricity
engine
environment
equipment
factory
fan
fresh
garage
grate
heatexchanger
hot
huge
industrial
industry
large
machinery
manufacture
mechanical
metal
modern
motor
pipeline
pipes
plant
power
rotating
rust
steel
strong
technology
tubes
turbine
ventilate
ventilation
ventilator
wind