1. Abraham DeSanta Clara 11-10257

2. Introduction What is wood? How it is produced? Features and properties Timber in structures Softwood and hardwood Harmful agents for wood Wood in art

3. It is obtained from trees and its organic nature has a good resistance both in tension and compression. Also lets us work in combination with other materials such as concrete, bricks, among others.

4. Cut down from forests

5. Transported to the sawmill

6. Dried

7. Physical properties of the timber: Anisotropy Humidity Dimensional stability Density Weatherproof Durability Action of other organisms Conductivity Thermal resistance Mechanical properties Elasticity Resistance

9. Softwood Pine Cedar Spruce

10. Hardwood Maple Oak Chestnut

11. The misuse of wood can cause irreparable damage as it tends to deteriorate more easily than other materials.

12. In different parts of the world we can observe the use of wood for ornamental architecture. As in China and Japan. China Japan