The work of oxygen equipment, the release of oxygen:
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Helium balloon
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Air broom, Blower
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Suction action of air
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Inflating a mattress
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Mask breathing
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Air pressure
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Cylinder pressure, air bleed, Air compressor
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Air is bleeding through a hose
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Truck Air Brakes
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Air release with a loud whistling creak,
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The work of oxygen equipment, the release of
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Fighting the fire with blacksmith furs
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