big
blue
boiler
bolt
chemical
connection
connector
construction
device
distribution
electric
electricity
energy
engineering
equipment
factory
faucet
fuel
gas
heat
industrial
industry
insulation
line
metal
natural
oil
pipe
pipeline
piping
plant
power
pressure
production
pump
steel
structure
substation
supply
switch
system
technology
transmission
transportation
tube
valve
white
yellow
定額
Oil dispenser handle, green color that separates from the background white background. Fuel system distributor, energy technologyの素材 [FY310147312253]
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