Daim ntawv thov:Rau kev tshem tawm cov hmoov nplej, granular, thiab thaiv cov ntaub ntawv hauv cov cement, cov ntaub ntawv hauv tsev, tshuaj lom neeg, thee, nplej, yas, thiab refractory industries, thiab lwm yam. Txuas mus rau lub raj xa dej thiab nruab vertically.