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​