Izinkinga Ezibalulekile
• Umdlalo wokugcwalisa: Usebenzisa iziko ze-shear, yokunqamula, ne-tensile ukuze kufakwe ubude ngaphansi ngokushintshiswa kwamandla angaphansi.
• Iphrodyusi yelumpu: Ihlinza iphrodyusi eziphathelene 65-80% engcono, ihlanganisa inguquko ekhethekileyo kusuka kumongo wokwakha.
• Imininingwane yesimo sezinto: Ivela izinto ezilinganiselwe ngokulinganayo nge-geometry egcwele ezigcwelewa ngokuphelele ukusebenza kakhulu emsebenzini wokugcina.
• Ukulungisa ubude bezinto: Inezimiso ezingavuthiwe ngaphandle nezibhedele zokubamba okuqinileyo, ihlinza ukulungiswa ngokucophelela ungakhohlwa.
• Ukulungiswa nokusebenza kwezimali: Yakhiwe ukuba ikhululeke kakhulu kuzilungiselelo ngemali engaphansi ngokuphindaphindwa ka-40% kunazo ezinhloso zezinhlelo eziphambene. Amadlali akhathazekileyo andibana kakhulu angavutha ngaphezu kwamazinyo amakhulu angama-3 kumasonto ngalinye lokusebenza.