Construction worker installing solar panel on roof

people 40 45 years 40 49 years 40s 45 49 years 45 50 years adult adults african american african american ancestry african american ethnicity african americans african ancestry african descent alternative alternative energy alternative energy source alternative energy sources assemble assembled assembling assembly basalt black black ancestry black people black person blacks build building buildings climbing colorado concentrate concentrating concentration construct constructing construction contractor contractors drill drilling drills electric drill electric drills energy environment environmental issue environmental issues environmental responsibilities environmental responsibility environmentally friendly focus focused focusing forties full length green green energy hand drill hand drills hand tools hand tool hands handtool hard working house houses installation installing male males mature adult mature adults mid adult mid adults mid adult mid adult man mid adults middle aged middle aged one person outdoor outdoors panels power power tool power tools resources management roof roofs rooftop rooftops solar solar energy solar panel solar panels trade trades tradespeople tradesperson vertical