 Hemp, flax, wood and bamboo are all candidate blade materials for small turbines.Nepal has used small blade turbines made of coated timber and, of the available wood materials including Sal, Saur, Sisau, Uttish, Tuni and Okhar, pine and lakuri wood were identified as performing the best based on their ready availability, cost and growth time average density, high stiffness, and breaking strain.Coatings are also generally used to reduce moisture and white enamel with primer has been found to be particularly effective .