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put a check √ mark in the box parallel to an item if you thank that if needs electricity or needs magnetism or double check for both electricity and magnetism to operateput a check √ mark in the box parallel to an item if you thank that if needs electricity or needs magnetism or double check for both electricity and magnetism to operateput a check √ mark in the box parallel to an item if you thank that if needs electricity or needs magnetism or double check for both electricity and magnetism to operate​