EEG, pencil movement:
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Stretch marks, Hospital bed, patient mounts
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Surgical suction device
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Blood analyzer
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Hydraulic hospital bed
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Dentist, rinsing the mouth with water,
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Make incisions, Surgery
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Pencil movement, EEG
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Sphygmomanometer, measure pressure
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Dentist drilling teeth
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Heart monitor
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On the background of, Dentist drilling teeth
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Couch driven patient
★★★★★