Laboratory, instrument noise:
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Dentist brushing teeth
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Surgical suction device
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Dentist rinsing the mouth with water
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Dentist Suction Tube
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Dentist drilling teeth
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Talking, Small crowd in the hospital room
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Dentist, rinsing the mouth with water,
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An empty cart for the sick
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Throwing a sizzling tablet into a glass,
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Hospital, voices, nursing room
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Laboratory, instrument noise
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Measure pressure, Electronic sphygmomanometer
★★★★★