Tswv yim Scope:
1. Nruab nrab, nplua thiab ultrafine sib tsoo ntawm cov ntaub ntawv loj.
2. Nyob rau hauv kev lag luam ntxhia, tuaj yeem muab tso ua ntej lub pob zeb, ua cov khoom sib tsoo ua ntej, los yog ua kom muaj kev sib xyaw ua ke nrog lub pob zeb.
3. Hauv kev lag luam oxidized pellet, tuaj yeem hloov cov khoom siv ntub dej ntau.
4. Hauv cov khoom siv hauv tsev, cov khoom siv refractory thiab lwm yam kev lag luam, tau ua tiav hauv cov cement clinker, limestone, bauxite thiab lwm yam kev sib tsoo.