Compound lever the force of pushing back the stick to the levers and they rub against the wheels, using friction to slow and eventually stop the train. These are everyday applications of this mechanism. A piano key is a compound lever of the first-class, since the fulcrum is between the weight to be moved and the power. The purpose of this lever is to translate a small movement (depression of the key) into a larger and fast movement of the hammer on the strings. The quality of the resulting tone depends on whether the final speed is brought about by gradual or
Great Lever II listed mill in 2016 and build new houses, but permission is still needed from the government to knock down the mill because of its listed status. Currently the mill is empty and deemed an eyesore by local residents. Great Lever has a park on Green Lane, on the opposite side of Green Lane from the park are the grounds of Bolton Cricket Club. The two conjoined Doe Hey Reservoirs are used for private fishing. Will Hill Brook, which drains into the Doe Hey Reservoirs, forms the southern boundary between Great Lever and Farnworth. Primary schools in Great Lever include