Kwiimeko ezininzi, izinto eziqinisekileyo zinokusetyenziswa kwimeko "ye-well", apho inyathelo lingafuneki. I-S30400 i-S30400 yebakala linengxaki yokugweba, iRicece kunye ne-comrosion jikelele kwi-qualls equkethe i-sulfuric, phosphoric kunye ne-witric acids. Nangona ithathelwa ingqalelo njengezinyithi zesiko, ibizwa njenge-nickel - isekwe. Kuyaziwa ngokwenza iziqhushumbisi, amakhonkco, i-petroli, izinyibilikisi, nangaphezulu.