Meblictory nozulu bụ ngwaahịa ihe eji emepụta ihe dị elu, dị ka igwe na-adịghị mma, a na-agbanyeghị ya na mpụga ma ọ bụ nke na-abụghị nwunye, ihe ntụgharị, tundish).

N'ime ụlọ ọrụ ígwè nke oge a, mgbakwunye nke ihe ị na-eme ka ọ dị mma iji meziwanye arụmọrụ nke nchara. Chomomium, dị ka ihe dị mkpa iji ihe dị mkpa, nwere ike bulite na-eme ka nguzogide na-eguzogide ike, yi nguzogide na oke ikuku nke nchara. Obere carbon Ferboome, ya na chromium na carbon dị ala, na-ahụ maka ọdịnaya chromium ma na-achịkwa ọdịnaya carbon. Ọ bụ ihe dị irè alloy dị irè maka swelcts igwe anaghị agba nchara, nchara alloy na igwe pụrụ iche.

Ferrosilicon alloy bụ tumadi ejiri ígwè na silicon, na silicon ọdịnaya na-abụkarị n'etiti 15% na 90% dị iche iche chọrọ ngwa na nkọwapụta dị iche iche.

Venadium Pentioxide bụ oxide nke Vanadium na usoro kemịkal VOO₅. Udiri flakes ya bụ nsonaazụ nke nhazi kristal ya, nke na-enye mpaghara dị elu, akụrụngwa broox mara mma, yana ọrụ caritalytic.

Vanadium pentoxide (V₂O₅) bụ otu n'ime ihe ndị a na-ejikarị eme ihe na usoro mmepụta ihe, karịsịa na mmepụta nke sulfuric acid na mmeghachi omume oxidation dị iche iche. Njirimara kemịkalụ ya pụrụ iche, nkwụsi ike, na ike ikwado mmeghachi omume redox na-eme ka ọ bụrụ nhọrọ magburu onwe ya maka catalysis. Edemede a na-enyocha ihe kpatara eji V₂O₅ eme ihe dị ka ihe mkpali, usoro ya, ngwa ya na ụlọ ọrụ dị iche iche, yana ọdịnihu nke catalysis dabere na vanadium.

Silicon metal 553 bụ silicon alloy dị ọcha nke a na-ejikarị n'ọtụtụ ebe mmepụta ihe maka ihe anụ ahụ na kemịkal pụrụ iche. Isi ihe ya bụ silicon 98.5%, yana obere ígwè na aluminom, nke na-enye ohere silicon metal 553 iji nọgide na-enwe ike dị mma na nguzogide corrosion na gburugburu okpomọkụ dị elu. Isiokwu a ga-enyocha n'ụzọ zuru ezu isi ojiji nke silicon metal 553, gụnyere aluminum alloys, semiconductor, fotovoltaic ụlọ ọrụ, na kemịkal ụlọ ọrụ.