Enziwe ngengilazi ye-soda lime yekhwalithi ephezulu, lawa mashubhu anikeza ukuqina kanye nesiphetho esibushelelezi nesikhangayo esimelana nokufiphala nokuguquka ngokuhamba kwesikhathi. Umklamo wawo ohlanzekile nolula uwenza afaneleke ezinhlotsheni ezahlukahlukene zokudala nezisebenzayo.
Leli shubhu lingasikwa futhi lenziwe libe ubuhlalu beglasi, okuhlinzeka ngokuguquguquka kokusetshenziswa kumaphrojekthi ahlukahlukene. Ubuhlalu obuvelayo bungasetshenziswa ekwenzeni ubucwebe, njengezindandatho nemigexo, noma njengezinto zokuhlobisa zezingubo. Amashubhu ahlelwa ngobukhulu nombala ukuze kube lula ukuwaphatha, okusiza ekwenzeni lula inqubo yobuciko. Kungakhathaliseki ukuthi kudalwa izipho, izingubo zokuthuthukisa, noma eminye imisebenzi yobuciko, la mashubhu engilazi ye-soda lime ayisinqumo esithembekile esivumelana kahle nezidingo ezahlukene zomklamo.