By activating two or more of these electromagnets, the operator causes them to attract certain permanent magnets inside the sphere.
(the operator; causes; them to attract certain permanent magnets inside the sphere) Context(the operator causes,List([51, 70))):(them; to attract; certain permanent magnets inside the sphere)
the operator causes,List([51, 70))
the operator them
causes to attract
them to attract certain permanent magnets inside the sphere
certain permanent magnets inside the sphere