機器
building
compressor
computer
construction
control
device
electrician
energy
engineer
engineering
equipment
factory
gas
helmet
industrial
industry
laptop
machinery
maintenance
man
manufacturing
metal
notebook
oil
people
person
pipeline
pipes
plant
power
production
pump
room
safety
service
site
station
steel
survey
system
technical
technician
technology
valve
ventilation
voltage
work
worker
workshop
定額
An engineer man or worker, people using a laptop computer, working in industry factory. Chiller tower or cooling tower in building. System work machine. Condenser Water Supply pipe lines. Ventilation.の素材 [FY310166975093]
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