axe, Inclined Plane, Pulley, Lever, Wedge, Knife, Inclined Plane, Pulley, Lever, Wedge, Bottle cap, Inclined Plane, Pulley, Screw, Wedge, Escalators, Inclined Plane, Pulley, Lever, Wedge, Elevators, Inclined Plane, Pulley, Lever, Wedge, Crane, Inclined Plane, Pulley, Lever, Wedge, Fishing rod, Inclined Plane, Pulley, Lever, Wedge, Ramp, Inclined Plane, Pulley, Lever, Wedge, Jar lid, Inclined Plane, Pulley, screw, Wedge, Wheelbarrow, Wheel and axle, Pulley, Lever, Wedge, Seesaw, Inclined Plane, Pulley, Lever, Wedge, Water wells, Inclined Plane, Pulley, Lever, Wedge, Light bulb, Inclined Plane, Pulley, Lever, Screw, Corkscrew, Inclined Plane, Pulley, Lever, screw, Steering wheel, wheel and axle, Pulley, Lever, Wedge, Flagpole, Inclined Plane, Pulley, Lever, Wedge, Faucetts, Inclined Plane, Pulley, Lever, screw, Slides, Inclined Plane, Pulley, Lever, Wedge, Which is a compound machine (a machine that uses multiple simple machines)?, , , , , Why do we use simple machines?, Because they're fun, They make work harder, They make work easier, They are easy to make.

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