Cut through the air with a gas burner:
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Air release with a loud whistling creak,
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Small compressor blowing air
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Wind tunnel ventilation
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Air is bleeding through a hose
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Air is let through the regulator
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Mask breathing
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Air compressor operation
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The work of oxygen equipment, the release of
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Soccer ball
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Fighting the fire with blacksmith furs
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Cylinder pressure, Air compressor, air bleed
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Air pressure
★★★★★