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Wheelchair ramp, Hotel Montescot, Chartres, France
Wheelchair ramp, Hotel Montescot, Chartres, France
Demonstration inclined plane used in education, Museo Galileo, Florence.
Demonstration inclined plane used in education, Museo Galileo, Florence.
Using ramps to load a car on a truck
Using ramps to load a car on a truck
Loading a truck on a ship using a ramp
Loading a truck on a ship using a ramp
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The screw's self-locking property is the reason for its wide use in threaded fasteners like bolts and wood screws
The screw's self-locking property is the reason for its wide use in threaded fasteners like bolts and wood screws
Illustration of a four-bar linkage from Kinematics of Machinery, 1876
Illustration of a four-bar linkage from Kinematics of Machinery, 1876