Inflating a mattress:
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Air is blown through a glass tube
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Air pressure
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Wind tunnel ventilation
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Air release with a loud whistling creak,
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Balloon descent
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The work of oxygen equipment, the release of
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Compressor discharges air, Construction
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Air is bleeding through a hose
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Fighting the fire with blacksmith furs
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Balloon inflating
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Blower, air broom
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Steam
★★★★★