Saturday, May 29, 2010

Hair Extensions In Fredericton

MOBILE PULLEY HOIST LEVER


-DEFINITION.: The mechanism is called a movable pulley assembly comprising two pulleys, one fixed and one mobile, which aim to halve the effort you have to do to raise a load.
-APPLICATIONS.: Can be used for hoisting material, rescue someone elguna q aiga fallen into crack or something ....

etc. The following video is puenden observe the two types of pulleys that are both simple, and mobile.

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