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How does a magnet in a junkyard work? - Answers
How does a car scrap heap magnet work? - Answers
Why is it unlikely that earths core is a permanent magnet?
Who invented the junkyard electromagnet? - Answers
Is the earth's core a giant magnet? - Answers
Why can't we use a permanent magnet in a scrap yard?
Is a magnet being used to remove iron shaving from dirt is an
What does a junkyard crane do? - Answers
What is the function of the switch in the electromagnet crane?
How do you defeat the villain in the junkyard on Super Power