... be damaged by metal blocks.3). The wood sawdust machine is deliberately manufactured and processed, adopting double layer structure ... without residues and unnecessary to be provided with any drying apparatus. It is applicable to miscellaneous wood flour, bamboo ... mica, purified cotton, marine product, condiment, fodder, rice hull, maize pistil, peanut shell, husk, bran coat, pesticide, charcoal, hard ...