Female technician in gloves adjusting a barometer of a nitrogen cylinder or compressed air
Palabras clave
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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