We are dealing with the facts that has to do with the properties of wood and also its characteristics. It then deals with the present methods of using woods in its various forms. We also take under consideration the large percentage of waste in the various stages, such as, logging, seasoning, sawing chemical conversion, and in manufacture, and the large losses by fire, insists marine borers, strains and decay. On every hand we see evidence of steel, stone or concrete being used to replace wood. We find that in the last two decades that there has been a decrease in the annual consumption of lumber, This was due to the advance in the prices of lumber. Secondly, this thesis is to create interest about lumber and woods and also to increase our ...