umcweba wokuqasha umthi wesezintsha esilayishiwe kwisezintshane
Isifungu sefoam sangaphandle kwe-pu esingcono kakhulu sibonakala njengesinqumo esisha ekusakazeleni kwemisebenzi yepoliyuthereyn. Lokhu kufakelwa ngokugcwele kusenzela ukulawula phakathi kwezikhala zomgodi ne-foam yepoliyuthereyn ngesikhathi sokwakha, uhla oluncane olwesimanga kanye nokulinganisa okuphambene kakhulu. Isifungu sendalo sefoam sangaphandle kwe-pu esingcono kakhulu sisebenzisa indima yokudala umlilo othile owancane okunakekela ukungqubuzana kwe-foam kodwa ucinayo imiphumela ephephile. Lokhu kusekelwe kuchwepheshe oluthile lokuchwepheshe olukhokelela izidingo zokwenza izinto, okunikeza imiphumela engcono ezihlukaniswe ngokuhlanjulwa kuzindlela eziphathelene ngezenzo. Ukuhlakanipha kwebuso lesifungu sendalo sefoam sangaphandle kwe-pu esingcono kakhulu kuyasekelwe kumgangatho othathe ubungako obucacileyo owahlukanisa amakhemikhali angcono kakhulu kwe-foam yepoliyuthereyn. Le mgangatho kumele ihlinze ukuxhumana nokudala kwe-foam kanye nokujikeleza kwebuso, kodwa kumele isebenze ngokulawula ukungqubuzana. Isakazelo sezinhlayiya yesifungu sendalo siyincazelo eqinile, esinika imiphumela ethembekileyo, eyancane kakhulu, futhi enhle kakhulu. Indlela yokusebenzisa isifungu sendalo siyinkimbiningi yokucotha kwezikhala zomgodi, ukudala ukucopheleka okufanayo okunikeza imiphumela emihlwaneni ehlukene. Izenzo eziphathelene ngezemisebenzi zikwenzeka kuze kube khona ukwenza kwezimali, ukwakha kwezindlu, i-furniture, nezinye izinto ezithile. Kwezemisebenzi zezimali, isifungu sendalo sefoam sangaphandle kwe-pu esingcono kakhulu sinika amandla ukwenza izikhala zangaphandle, izixhumanisi, nezinye izinto zezimali ezingcono kakhulu. Abasebenzi base-furniture balethula le thekhenoloji ukwenza izihluko, iziqhamo, nezinye izinto ezingcono kakhulu ezidinga ukulinganisa ngempela. Ekuhlaleni kwezimali, kunezimali zokuphepha, izinto zokuhlala, nezinye izinto ezingcono kakhulu apho kudingeka izici ze-foam zilondolale izici eziphathelene ngezemisebenzi kanti kumele kugcinwe ubude bezimali nezindleko.