Inclined Plane, Ramp, Slides, Stairs, Escalators, Pulley, Elevators, Water wells, Crane, Fishing rod, Lever, Seesaw, Bottle opener, Crowbar, Scissors, Wedge, Ax, Pencil sharpener, Knife, Hammer, Screw, Bottle cap, Light bulb, Jar lid, Taps, Wheel and Axle, Doorknob, Steering wheel, Mechanical clock, Potter's wheel.

Simple Machines

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