Throwing a sizzling tablet into a glass, dissolving in water:
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Blood transfusion apparatus
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Water filtration system, Hospital
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Dentist drilling teeth
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Hospital, hallway, people’s voices
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Rinsing the mouth with water,, Dentist
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Surgery, make incisions
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Throwing a sizzling tablet into a glass,
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Respiratory mask
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Ventilator, Cardiomonitor
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Fluoroscopy
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Dentist Suction Tube
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Sphygmomanometer, measure pressure
★★★★★