Flashing (weatherproofing) bark was occasionally used as a flashing material. Most flashing materials today are metal, plastic, rubber, or impregnated paper. Metal flashing materials include lead, aluminium, copper, stainless steel, zinc alloy, other architectural metals or a metal with a coating such as galvanized steel, lead-coated copper, anodized aluminum, terne-coated copper, galvalume (aluminum-zinc alloy coated sheet steel), and metals similar to stone-coated metal roofing. Metal flashing should be provided with expansion joints on long runs to prevent deformation of the metal sheets due to expansion and contraction, and should not stain or be stained by adjacent materials or react chemically with them.
Why Is the Crow Black-Coated also awarded by China's Ministry of Culture. Why Is the Crow Black-Coated Why Is the Crow Black-Coated () is the first Chinese animation in color produced at the Shanghai Animation Film Studio by Wan Laiming and Wan Guchan. The story is about a very arrogant bird that enjoys life. He sang and danced in the forest in China, showing off his beautiful tail to everyone. Autumn would come and the other animals in the forest are busy preparing food for the winter. The bird continues to live life leisurely. The winter would come instantly with a heavy snow storm. The