Construction workers installing solar panels on roof

25 30 years 30 34 years 30 35 years 30 39 years 30s 50 54 years 50 55 years 50 59 years 50s adult adults alternative energy alternative energy source alternative energy sources assemble assembled assembling assembly assist assistance assisting basalt build building buildings carry carrying caucasian caucasian ancestry caucasian ethnicity caucasians climbing colorado concentrate concentrating concentration construct constructing construction contractor contractors cooperation energy environment environmental issue environmental issues environmental responsibilities environmental responsibility environmentally friendly fifties focus focused focusing green green energy hard working help helpful helping hispanic hispanic ancestry hispanic ethnicity hispanics house houses installation installing latin american latin american ancestry latin american ethnicity latin americans latin american latin american ancestry latin american ethnicity latin americans lift lifted lifting male males mature adult mature adults mid adult mid adults mid adult mid adult man mid adults middle aged middle aged middle aged man multi ethnic group outdoor outdoors panel power resources management roof roofs rooftop rooftops solar solar energy solar panel solar panels teamwork thirties three quarter length trade trades tradespeople tradesperson two people vertical worker working together young adult young adults