Izingxenye Zethu Ezingenalutho Zesakhiwo zingamaphrofayili ensimbi aqine kakhulu atholakala kusikwele, unxande, namafomu ayindilinga ezinhlobonhlobo zezicelo zokwakha nezokwakha. Idizayini yabo yesigaba esivaliwe inikeza amandla amahle kakhulu okucindezela, ukumelana ne-torsional, ukuqina kwesakhiwo, nokubukeka okuhlanzekile. Itholakala ngamamaki ensimbi ahlukahlukene, ubukhulu, ukujiya kodonga, nobude, futhi ingenziwa ngendlela oyifisayo ngokusika, ukubhoboza, ukushisela, ukupenda, noma izinsiza zokudonsa amanzi ashisayo. Izingxenye ezingenalutho zesakhiwo zisetshenziswa kakhulu ekwakheni amafreyimu, amakholomu, ama-trusses, amasistimu okubopha, amabhuloho, izisekelo zemishini, amapulatifomu, nezakhiwo zezakhiwo.
