Dentist rinsing the mouth with water:
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Throwing a sizzling tablet into a glass,
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Surgical suction device
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An empty cart for the sick
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Heart monitor
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Blood transfusion apparatus
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Dentist drilling teeth
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Dentist working with tools
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Measure pressure, Sphygmomanometer
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Blood analyzer
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Water filtration system, Hospital
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EEG, pencil movement
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Make a hospital bed
★★★★★