The presence of dangerous gases in mines can be detected using phenomenon of
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Air from the mine is blown through another similar pipeb or flute. ... However if the air from the mine is polluted with presence of dangerous gases , the two flutes will produce of dangerous notes of slightly different frequencies giving rise to beats, which serves as an early warning system for safety.
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Air from the mine is blown through another similar pipeb or flute. ... However if the air from the mine is polluted with presence of dangerous gases , the two flutes will produce of dangerous notes of slightly different frequencies giving rise to beats, which serves as an early warning system for safety.
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