Simple Machines : Students use simple machines (e.g., lever, wheel and axle, ramp) to demonstrate how they make work easier.
(Students; use; simple machines; to demonstrate how they make work easier) Context(Students use,List([18, 30))):(Students; use simple machines to demonstrate; how they make work easier) Context(Students use to demonstrate,List([18, 97))):(they; make; work easier)
Students use,List([18, 30)) Students use to demonstrate,List([18, 97))
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