Ibhokisi yokukhanya yensimbi engenamoya kunezinye iindawo ezinkulu zokuthengisa, ukhuseleko lokusingqongileyo, akukho kugcinwa, kwaye kulula kwisitayile sokuhombisa sasekhaya esincinci, asikwazi ukusetyenziswa njengebhokisi yokukhanya, kodwa inokusetyenziswa njengefenitshala yangaphandle yokuhombisa, ingasetyenziselwa uhombise igadi ibe yindawo eyodwa.
Kukho iintlobo ezininzi zezibane zentsimbi zangaphandle, kodwa i-weathering iron iyonga ngakumbi kwaye yomelele, inobomi obude benkonzo, inesibane esidlekileyo, ungakhathazeki malunga nemozulu iya kutshintsha imilo, inokuba ntle ngakumbi ngenxa yexesha. I-AHL, njengomthengisi we-corten steel processing, igqwesile kwinkonzo kunye nomgangatho. Asikwazi kuphela ukuthengisa, kodwa kunye nokuthengisa. Singaqala sikhethe iisampuli zentsebenziswano engcono.