alternative
building
business
colleagues
construction
construction industry
construction worker
eco
ecology
ecosystem
electric
electrician
electricity
energy
energy crisis
energy efficient
engineer
environment
environmental conservation
equipment
hardhat
helmet
house
industrial
industry
innovation
installation
maintenance
men
panel
photovoltaic
power
power supply
professional
quality control
renewable
roof
rooftop
safety
service
solar
sun
sun power
sunlight
sustainability
sustainable lifestyle
sustainable resources
technician
technology
worker
定額
Men worker installing solar photovoltaic panels on roof, alternative energy, saving resources and sustainable lifestyle concept.の素材 [FY310191890700]
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