Female technician in gloves adjusting a barometer of a nitrogen cylinder or compressed air
Schlüsselwörter
cylinder,
barometer,
gauge,
industrial,
pressure,
gas,
tank,
oxygen,
air,
nitrogen,
compressed,
bottle,
hand,
equipment,
technology,
steel,
laboratory,
regulator,
valva,
closeup,
manometer,
machine,
bar,
tool,
argon,
knob,
vacuum,
helium,
biotechnology,
mechanical,
hydrogen,
science
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