Fifteen years ago, dust management in composites manufacturing operations was somewhat unsophisticated. A common solution to the dust generated by cutting, trimming, sanding and grinding was to cut a ...
If you liked this story, share it with other people. “Kansas Kids,” in Lakin, Kansas, three children prepare to leave for school wearing goggles and homemade dust masks to protect them from the dust ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果