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3.2 Timber based materials GapFill
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One of the biggest problems facing timber suppliers is finding sustainable timber sources. Too much logging has resulted in in certain countries around the world resulting in the reduction of some species of trees.
Trees are cut down, a process known as , before they are sawn into sections ready to be seasoned. Seasoning is the process used to remove and reduce the before it can be used.
Manufactured boards such as , are commonly used in the manufacture of flat-packed furniture.
Manufactured boards come in a range of standard thicknesses including . Thinner thicknesses of plywood, another manufactured board, are used for into permanently formed two dimensional shapes.
Manufactured boards are often finished with to preserve natural timbers, meaning they last longer.
There are many different types of joint that can be used to join timber and the most decorative is a joint.
An abrasive paper used to smooth timber is . The coarsest or roughest of these papers is grit.
Timber products such as fence panels are subject to a special finish known as so that they can withstand the rain and wet conditions they will be exposed to.