engineer male technician worker working service commercial building heat pump hot water supply systems. man safety checking maintenance heating water

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engineer male technician worker working service commercial building heat pump hot water supply systems. man safety checking maintenance heating water machine at roof top outdoor.

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Size: 5472px × 3648px
Location: Thailand
Photo credit: © Quality Stock / Alamy / Afripics
License: Royalty Free
Model Released: Yes

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