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