Wood is an organic substance composed of cells. In the process, tree rings develop which are visible in the transversal and longitudinal sections of the stem.
Wood is one of Switzerland's only raw materials.
Wood grows on continually and is available in times of crisis. In comparison with other materials, wood takes little energy to process. Wood can be used in handicrafts and industry. Waste wood can be processed and used again. Wood is solid but relatively light which makes it easy to transport and handle.