Choose the correct classification for the following material :
Copper
Non-ferrous metal
Ferrous metal
Alloy
Composite
High Impact Polystyrene (HIPS)
Thermosetting plastic
Natural plastic
Thermoplastic
Natural fibre
Slip
Body clay
Liquid clay
Dried clay
Protein
Silk
Regenerated fibre
Synthetic fibre
Plywood
Man-made board
Hardwood
Softwood
Polyester
Rice
Vegetable
Cereal
Foil lined Duplex board
Paper
Cardboard
Oak
Pine
Manufactured board
Jelutong
Cedar
Hardboard
Mahogany
Walnut
Acrylic (PMMA)
Thermoset plastic
PET