Elevators By: kylee shirK

I see a wheel and axle and a pulley an a screw.

Screw

Wheel and axle

Pulley it has a SF pulley. There is no manic advantage.

Credits:

Created with images by Alexas_Fotos - "screw hex bolt construction material" • werner22brigitte - "old wooden axle" • GREGOR - "sailing boat pulley rope"

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