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timbers
softwood
softwoods grow quicker witch means they are cheaper and they are more flexible but they are weaker. they have mainly needles
manufactured boards
manufactured boards are boards that have been made in a factory and is often made out of wood scraps/chips but is weaker
hardwood
hardwood grow much slower witch means they are more expensive but more stronger and they mainly have leaves
textiles
textiles are things like cotton, wool , felt and silk these materials are good for making clothes and they can be easily sown also most of these thing are easily rippleable and can absorb water
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metals
ferose metals
these metals dont have very good conductivity but they have good magnetic power but also they can rust and they are heavier
non ferose metals
they have good conductivity but they are not magnetic .they are also lighter in weight and they do not rust
polymers
thermosetting
thermosetting polymers can not be reset into liquid form and can not be recycled and is stronger than other plastics
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papers and bords
some common papers and boards are printer paper corageted card tracing paper and some properties of these items are that they are cheap and light . they are also good for writing and packerging stuff