Almost any equipment that has hydraulic cylinders in it makes use of leverage to expand the range of motion available. Backhoes, front loaders, bulldozers and so on come to mind, as well as brakes on motor vehicles. The brake pedal, gas pedal, handbrake handle, and other linkages in a car all make use of leverage, as do almost any knob or switch, spring-loaded door (oven door, dishwasher), or latch.
Just yesterday, I created a lever from a couple of pieces of scrap wood to raise a heavy storage shelf into the position I wanted.
Just yesterday, I created a lever from a couple of pieces of scrap wood to raise a heavy storage shelf into the position I wanted.
