A combined pulley is a type of pulley that has and uses movable and fixed pulleys simultaneously.
(A combined pulley; is; a type of pulley) (pulley; has; ) (pulley; uses simultaneously; movable and fixed pulleys) (A combined pulley; is a type of; pulley)
A combined pulley pulley pulley A combined pulley
is has uses simultaneously is a type of
a type of pulley
movable and fixed pulleys
pulley