Hardwood is wood from ____ trees. These are usually found in ____ temperate and tropical forests. In temperate and boreal latitudes, they are mostly ____, but in tropics and subtropics mostly ____. Softwood is wood from ____ trees such as ____ and ____. Softwoods are not necessarily softer than ____. The hardest hardwoods are much harder than any softwood, but in both groups there is enormous variation with the range of wood hardness of the two groups overlapping ____ wood is a type of modified wood that is produced through a ____ modification process. It produced from a chemical reaction (named as acetylation) and a modification process to make wood highly resistant to ____ attacks by ____ and ____ and durable to environmental conditions.

Timber Characteristics

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