Though it is not strictly part of the usual diarthrodial joints, the structure of the intervertebral discs is shortly presented as its pathology is very common problem. Two main parts of the intervertebral discs are the outer ring (annulus fibrosus) and the inner gelatinous material.
In Australia, Ireland, New Zealand and Britain, the term timber describes sawn wood products, such as floor boards. In the United States and Canada, generally timber describes standing or felled trees, before they are milled into boards, which are called lumber.n the United Kingdom, the word lumber is rarely used in relation to wood, and timber is almost universally used in its place; but lumber has several other meanings in Britain, including unused or unwanted items.
There are harder woods and softer woods. Maple and Oak are harder woods, they are literally harder to dent, cut, drill into, etc. A softer wood is pin â¦ e. Sometimes you see wood decribed as semi-hardwood, like Luan which is often called tropical mahogany-it's in between.onfidence votes 262K. There are many uses for hardwood lumber. Some of these include: making furniture, making walking sticks, creating furniture frames, and making smoking pipes.