Close up of mechanic's hand tightening the valve with a wrench. Two gauges visible on the appliance. Blurred background.
Schlüsselwörter
wrench,
valva,
tightening,
closeup,
engineering,
equipment,
gas,
gauge,
industry,
instrument,
machine,
manometer,
mechanic,
metal,
meter,
pipe,
power,
technology,
tight,
tool
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