Servo motor:
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Chemistry, boiling liquid, burner
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Item falls on concrete
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Bunsen Burner, Chemistry
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Winch Gate
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Pull telescopic antenna
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Laboratory – open, close the freezer
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Servo motor
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The rumble and wave of the lightsaber
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Stir the liquid in a beaker, Chemistry
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The subject falls on the wooden floor.
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Umbrella pulling telescopic tube
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Makes sounds, The robot moves
★★★★★