Air is blown through a glass tube:
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Balloon inflating
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Inflating a mattress
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The release of, The work of oxygen equipment
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Air broom, Blower
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Oxygen balloon
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Balloon descent
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Mask breathing
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Cut through the air with a gas burner
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Cylinder pressure, air bleed, Air compressor
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Air is blown through a glass tube
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Air flow
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Small compressor blowing air
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