A stream of air breaks out of a metal pipe:
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Helium balloon
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Air broom, Blower
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Steam
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Air compressor operation
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A stream of air breaks out of a metal pipe
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Wind tunnel ventilation
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Suction action of air
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Inflating a mattress
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Fighting the fire with blacksmith furs
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Small compressor blowing air
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Air is let through the regulator
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The work of oxygen equipment, the release of
★★★★★