africa
african
alternative
american
black
business
cell
checking
collector
construction
durable
ecofriendly
ecology
electric
electricity
electronic
energy
engineer
engineering
environment
eyeglasses
group
helmet
industry
meeting
outdoors
pad
panel
people
photovoltaic
plant
power
renewable
security
sensor
setup
sky
solar
solar panel
solar panels
solarium
solarization
tablet
team
technology
touchpad
touchscreen
workers
定額
African american technician checks the maintenance of the solar panels. Group of three black engineers meeting at solar station.の素材 [FY310158476262]
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