Ukuqinisekisa ukuthi kungasebenzi noma kungasebenzanga, kusho ukhotho lomaterial, iproduktha noma isithuthiwa sokuthi lihlale ngokwenza ukuphathelana kwamanzi fanye nokuba yilapho ekhona izinyawo nezinkelinga ezikhulu xa kuhlwa. Izimaterialo ezingasebenzanga zinhlelwe ukuze zenze ukulindela okuncane kanye nokukhanya okuphezulu. Isibonelo, le ndinga ethile yeconcrete esetshenziswa kubunzini bokwakha ibekwa ngamagciwane alenye nezindlela zokuthi asebenzi noma kungasebenzanga ukuthi ayenhance amathiphu akayo. Le magciwane angasebenze ukuthi concrete iyakhala fanye nokugcinwa phansi xa kuhlwa, kunikeza isikhathi esibaluleke kumaqembu okuhlolweni noma ukulinda. Kusukelwe kwezitayibheli, izifabrikhi ezingasebenzanga zisetshenziswa kuzindlela apho kungaba khona ukuthi kuhlwa, njengoba kusebenzwa kwezicathamirolweni sefirefighters kanye nezocuku zabasebenzisi kwezindlela zokuhamba. Lezi zifabrikhi zihlinzekwa ngemachemikhali noma zinzinye izifibhri ezingasebenzanga ngokwazo ukuthi azikhiywe fanye nokuthi kuhlwa kudlule. Iziphambano ezingasebenzanga zisetshenziswa futhi. Zifakwa kusayithi sezinto eziningi, zingasebenze ukuthi izinto ezingasebenzanga ngokwazo kube nenjongo yokuthi zibe nezindlela ezingasebenzanga. Xa kuhlwa, le ziphambano zingasebenze ukuthi zidla fanye nokuthi zenza ubude obujwayelekile obumfushane obukhange ukuthi siphinde sikhange kusayithi esiyahlwa. Kwebungalme, ukuba kunezinto ezingasebenzanga kungaba yilapho kudingeka ukuthi kungasebenzi noma kungasebenzanga ukuthi abantu bayenze. Izindawo ezingasebenzanga, izilanti kanye nezinsizwa zingenza ukuthi indlu ingabeke, ukuthi kuhlwa kudlule kancane kancane kusayithi esisodwa kuya esinye. Kuzindlela zokusebenza, izimpahla ezingasebenzanga kanye nezincitya zokugcina izinto ezingasebenzanga zisetshenziswa ukugcina fanye nokusebenzisa izinto ezingasebenzanga ngokwethemba. Ngokuphela, inkosi yokuthi kungasebenzi noma kungasebenzanga kungaba yilapho kudingeka ukuthi kungasebenzi noma kungasebenzanga kuzindlela zokusebenza kanye nezimali, kanye nokuthi kungasebenzi noma kungasebenzanga kuyadingeka ukuthi kungasebenzi noma kungasebenzanga.