Description
Twenty magnetic and non-magnetic materials comprising
iron, steel, aluminium, wood, polythene, brass, rubber,
copper, wool, nylon, cork, lead, zinc, carbon, glass, PVC,
cotton, cardboard, perspex and nickel.
SP4-0893
Twenty magnetic and non-magnetic materials comprising
iron, steel, aluminium, wood, polythene, brass, rubber,
copper, wool, nylon, cork, lead, zinc, carbon, glass, PVC,
cotton, cardboard, perspex and nickel.
SP4-0893
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