Softwoods come from coniferous trees which are evergreen, needle-leaved, cone-bearing trees, such as cedar, fir and pine.
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Hard Woods
Hardwoods come from broad-leaved, deciduous trees. The main hardwood timbers areash, beech, birch, cherry, elm, iroko, mahogany and oak,
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Ferrous Metals
Ferrous metals contain iron. Examples are cast iron, mild steel, medium carbon steel, high carbon steel, stainless steel and high speed steel.
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Non Ferrous Metals
Non-ferrous metals do not contain iron. Some common non-ferrous metals are aluminium, Duralumin, copper, zinc, brass, gilding metal and tin.
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Thermoplastics plastics
Thermoplastics can be heated and shaped many times. There are many types of thermoplastics such as Polyamide, High density polythene (HDPE), Low density polythene (LDPE), Acrylic and Polystyrene.
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Thermoset plastics
Thermoset plastics can only be heated and shaped once. There are many Thermosetting plastics such as Polyester resin, Epoxy resin and Duroplast.
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Other cards in this set
Card 2
Front
Hard Woods
Back
Hardwoods come from broad-leaved, deciduous trees. The main hardwood timbers areash, beech, birch, cherry, elm, iroko, mahogany and oak,
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