Trees producetimber through the growth of fibres. This cell structure is strong and durable and has been used in construction and as fuel for thousands of years. It is composed of two major structural components: cellulose, and lignin. Wood's cellulose fibres are very durable and possess high tension properties. Wood's lignin helps to resist compression. Although the chemical compositions of different species are different, the most common components of hydrogen and carbon are the same. Roundwood and sawnwood are the natural wood products. Many wood products require more processing. Veneer is another decorative layer of wood that can be created by turning a log against an edge. It can be used both for interiors or exteriors. It can be found all over the world and is ideal for making different types of products. This article will discuss the various types of wood and how they're made. Wood's natural products are eco-friendly. Wood is safe for the environment and maintains its chemical equilibrium with the environment when it's harvested responsibly. It is the only structural material that can still be used after a century. Wood is carbon neutral if it comes from sustainable forests. Wood's natural beauty and diversity are enhanced by its inherent nature. Wood is an excellent choice for any project. Wood is beautiful, durable and long-lasting. Wood is durable and beautiful, but it's also versatile. Wood comes in many species with unique textures, colors, and grain patterns. Wood's chemical composition can vary depending on the species. Wood typically contains fifty percent carbon and forty-two percent oxygen. Six percent hydrogen is also common. One percent nitrogen is also present. It is also rich in sulfur, silicon and phosphorus. Wood is a natural material but can still be attacked by natural materials. Wood can be destroyed by certain species of insects and fungi. Above is a photo of Formosan subterranean fungi, courtesy of US Department of Agriculture. Wood can be severely damaged by insects and fungi. It is important to keep pests out of your projects in order to prevent this. Different wood types have different properties. Western hemlock, for example, has a black check. Reddish-brown streaks can be caused by bird injury. Insect attacks can cause a black check on a tree. A squirrel or bird injury can cause reddish brown streaks to appear on the wood of trees. A reddish-brown spot on a piece wood is not like a black check. It may indicate a rotten tree, but it will not affect its properties. Sapwood is the youngest, outermost and most dense part of a tree. It is used to carry water and store leaf reserves for next season. Heartwood, on the other hand, is the more durable of these two types. Sapwood can also be used as fuel. In some cases, sapwood can be used to make furniture. It can be used to make many useful objects if it is properly processed. Wood is used as a building material in many different applications. Wood's usage is dependent on its inner structure. The most popular use of wood is for building. You can use it for windows, doors, frames, ceilings, and even your own personal furniture. The manufacturing process is what turns raw material into finished products. This step is crucial in any construction project because it is the most costly and requires the highest level of craftsmanship. There are two types of wood. Sapwood, the active part of a tree, stores starch and conducts the sap. Although heartwood is the most valuable, it also stores nutrients. It is the second-most common source of wood. The trunk of a tree can be broken down into the sapwood and heartwood. Each type serves a different purpose. An example of a material is the outer bark of a tree.