A male worker in a hard hat, an oilman looks up at an oil pump.
Schlüsselwörter
male,
pump,
men at work,
rig,
factory,
oil,
helmet,
plant,
industry,
manufacturing,
engineering,
refinery,
watch,
processing,
man,
human,
work,
sunset,
professional,
specialist,
crude,
drilling,
mining
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