Engineer or technician worker wear glove before check or maintenance solar cell panel system
Two engineer or technician worker discuss together during work with solar cell panel on rooftop
Wide shot of profession engineer or technician worker use cleaning brush to clean solar cell panel
Professional technician worker or engineer use walkie talkie to contact his co-worker and point
Profession engineer or technician worker use cleaning brush to clean solarcell panel rooftop
Professional technician worker or engineer stand near solar cell panel and drink water from bottle
Male worker using touchpad while wiring solar panel system on the roof.
Young woman gardening, urban gardening
Solar panel mounting worker using digital tablet on the rooftop.
Three engineers with tablet discussing on a wind farm
Environment conservation team picking up garbage in bag at beach
Young florists working in flower nursery
Young florists working in flower nursery
Young florists working in flower nursery
Woman in team picking up garbage in bag at beach
Young woman picking up garbage in bag at beach
Happy worker using touchpad while testing solar panel system on the roof and looking at camera.
Happy roofer using smart phone while having lunch break during solar panel installation.
Engineer with an amputee leg working on site
Happy solar panel installer texting on smart phone during lunch break on the rooftop.
Close-up of technician at a wind farm putting on climbing harness
Portrait of smiling young volunteers cleaning beach for plastic
Proud man cleaning the ocean with volunteers on sunny day
Smiling volunteers friends holding garbage bag at beach
Volunteer team picking garbage in a bag at beach
Engineers working on wind turbine
