EEG, pencil movement:
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Dentist, rinsing the mouth with water,
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Blood analyzer
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Ventilator, Cardiomonitor
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Electronic sphygmomanometer, measure pressure
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Surgical suction device
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Make a hospital bed
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Pencil movement, EEG
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Instrument noise, Medical laboratory
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Throwing a sizzling tablet into a glass,
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Hydraulic hospital bed
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Instrument noise, Laboratory
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An empty cart for the sick
★★★★★