风鏟在金属结构车间、铸件清理場所被广泛地采用着,但它有振耳的噪音和要消耗操作者的大量体力,严重地影响着工人的身体健康,给操作工人带来了不少的职业病。 毛主席教导我们:“人民群众有无限的创造力。”“在生产斗争和科学实验范围内,人类总是不断发展的,自然界也总是不 Wind shovels are widely used in metal structure workshops and casting clean-up sites. However, it has noisy noise and consumes a large amount of physical strength of the operator, which seriously affects the health of workers and brings a lot of Occupational disease. Chairman Mao teaches us: “The masses of people have unlimited creativity.” "Within the scope of the struggle for production and scientific experiments, mankind always develops continuously and nature always does not