Dentist Suction Tube:
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Instrument noise, Laboratory
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Dentist drilling teeth
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Medical Device Warning
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Measure pressure, Sphygmomanometer
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Cardiomonitor, ventilator
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Couch driven patient
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Respiratory mask
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Hospital, operation, doctors voices, suction
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Electronic sphygmomanometer, measure pressure
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Dentist rinsing the mouth with water
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Blood transfusion apparatus
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Throwing a sizzling tablet into a glass,
★★★★★