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description of independent variable, dependent variable, and control (5.2A describe, plan, and implement simple experimental investigations testing one variable)

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from Laughing Squid

A Beautifully Streamlined Wheelchair With Omni-Directional Wheels Controlled by a Smartphone App

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Encoders: Sensor used to measure RPM of any motor. It uses photo couplers as make working mechanism. Easiest way to get closed loop speed control using Variable speed ,

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from B&M Stores

Prolex Pastel 2 Slice Toaster - Pink

Take control of your breakfast and start the day just right. - 2 slice slot - Variable browning control - Pink

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