Zikhonya amakhalanso ndi zisankho zapamwamba, zoumba zakunja, nkhonya, ndi zina zotero. Nkhonya zimagawidwa kukhala nkhonya zamtundu wamtundu, nkhonya zamtundu wa t, ndi nkhonya zapadera.nkhonya ndi chitsulo gawo anaika pa sitampu kufa ndi ntchito kukhudzana mwachindunji ndi zinthu deform ndi kudula zakuthupi.
nkhonya zakufa nthawi zambiri zimagwiritsa ntchito chitsulo chothamanga kwambiri ndi chitsulo cha tungsten ngati zida, monga nkhonya zachitsulo zothamanga kwambiri ndi nkhonya zachitsulo, ndipo chitsulo chothamanga kwambiri ndizomwe zimagwiritsidwa ntchito kwambiri.Ambiri ntchito ndi CR12, CR12MOV, asp23, skd11, skd51, skd61, etc. Tungsten zitsulo zipangizo zambiri ntchito kukhomerera ndi kumeta ubweya akamwalira, amene amafuna apamwamba zofunika.