Cov cua sov ua los ntawm cov pob zeb feem ntau yog siv rau kev ua kom cov pob zeb, cov tshuaj reductants thiab lwm yam khoom siv raw rau cov cua sov hluav taws xob, tsom mus rau kev tsim ntau hom hlau-raws li alloys, xws li ferrosilicon, kev lag luam silicon, ferromanganese, ferrochrome, ferrotungsten, silicomanganese alloys, thiab ferronickel, thiab lwm yam, uas yog siv dav hauv kev lag luam metallurgical los txhim kho kev ua tau zoo ntawm cov khoom siv hlau.

Lub cub tawg cua sov niaj hnub no siv hom cub tawg uas kaw tag nrho, cov khoom siv tseem ceeb muaj lub cev cub tawg, lub hau pa luam yeeb tsawg, lub tshuab pa luam yeeb tawm, lub vas luv luv, lub tshuab hluav taws xob, lub tshuab hydraulic, lub tshuab tso pa tawm los ntawm hlau, lub tshuab cua txias hauv qab cub tawg, lub tshuab hloov pauv thiab lwm yam.