simple machines are basic machines that make our work easier using push or pull such as lever , inclined plane , pulley .
(simple machines; are; basic machines that make our work easier using push or pull such as lever , inclined plane , pulley) (basic machines; make; our work easier using push or pull such as lever , inclined plane , pulley)
simple machines basic machines
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basic machines that make our work easier using push or pull such as lever , inclined plane , pulley
our work easier using push or pull such as lever , inclined plane , pulley