Laboratory, instrument noise:
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Blood analyzer
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Heart monitor
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Rinsing the mouth with water,, Dentist
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Laboratory, instrument noise
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Throwing a sizzling tablet into a glass,
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Stretch marks, patient mounts, Hospital bed
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Hydraulic hospital bed
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Dentist drilling teeth
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Water filtration system, Hospital
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Dentist Suction Tube
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Cardiomonitor, ventilator
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Measure pressure, Electronic sphygmomanometer
★★★★★