Isethi yegiya eliyindilinga lamagiya egiya eliyindilinga emishinini yokuphakamisa iyisici esibalulekile esiqinisekisa ukudluliswa kwamandla okubushelelezi nokusebenza kahle. Idizayini yayo eyingqayizivele ye-helical inciphisa umsindo nokudlidliza, okuthuthukisa ukusebenza kahle. Ubunjiniyela bokunemba kwesethi yegiya busiza ukuzibandakanya okungenamthungo, bunikeza amandla aqinile okuthwala umthwalo. Ifanele ukusetshenziswa okuhlukahlukene kokuphakamisa, iqinisekisa ukuthembeka nokuqina, okwenza kube yingxenye ebalulekile yemishini yokuphakamisa yesimanje.
Amabhizinisi ayishumi aphezulu eShayina, ifakwe abasebenzi abangu-1200, yathola izisungulo ezingu-31 sezizonke kanye namalungelo obunikazi angu-9. Imishini yokukhiqiza ethuthukisiwe, imishini yokwelapha ukushisa, imishini yokuhlola.