機器
ac
adapter
alternative
battery
cleaning
closeup
collector
compressor
convert
converter
convertor
dc
dust
electric
electrical
electricity
energy
engineer
environment
equipment
factory
generator
home
house
impulse
industrial
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installation
led
measure
metal
object
parts
pattern
photovoltaic
pigeon dropping
pipe
power
renewable
safety
service
solar
supply
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system
technology
tool
voltage
washing
定額
The workers from the photovoltaic company are washing and cleaning the surface of the photovoltaic system which installed on the roof of the building to get better energy from the sunlight.の素材 [FY310158594755]
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