maintenance
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Worker cleaning solar water heater on roof during maintenance
Worker cleaning solar water heater on top of roof during maintenance work
Worker fixing solar water heater on roof during maintenance
Worker fixing solar water heater on top of roof during maintenance work
Worker fixing solar water heater on roof during maintenance
Worker fixing solar water heater on top of roof during maintenance work
Closeup Worker fixing solar water heater on roof during maintenance
Closeup of worker fixing solar water heater on top of roof during maintenance work
Closeup Worker fixing solar water heater on roof during maintenance
Closeup of worker fixing solar water heater on top of roof during maintenance work