PULLEYS &amp; CAMS Simple Pulley Machines Pulleys are often used in weight machines.
(CAMS Simple Pulley Machines Pulleys; are used; L:in weight machines; T:often) (Pulley; [is] Simple [of]; CAMS)
CAMS Simple Pulley Machines Pulleys Pulley
are used [is] Simple [of]
L:in weight machines T:often
CAMS