Steel rails must be incorporated into the streets (in an emergency, firefighters must be able to pass). Materials can range from granite cubes, asphalt mat or grass carpet.
钢轨必须嵌入街道（在紧急情况下，消防员必须能够通过） 。材料可以从花岗岩块、沥青垫和人造草毯之间选择。
You should always keep a Yoga mat, made of some comfortable materials. For lying postures use a woolen carpet and spread a clean sheet over it.
选用舒适材料制成的瑜伽垫。仰卧练习时，用羊毛毯，放一块干净的铺斤。
Other material collecting and processing: other materials including bamboo, flax, coir, palm, palm leaf, corn hulls, mat grass, cattail stem and float glass .
其他材料的收集和处理：其他材料包括竹、麻、蓑草、棕、棕榈叶、玉米皮、席草、蒲草、麦秆、水草等材料。
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