A magnet concentrates the small abount of metal, making it visible.
(A magnet; concentrates; the small abount of metal; making it visible) Context(A magnet concentrates,List([0, 21))):(A magnet; concentrates the small abount of metal making; it visible)
A magnet concentrates,List([0, 21))
A magnet A magnet
concentrates concentrates the small abount of metal making
the small abount of metal making it visible
it visible