Tsala i-crane ye-monorail ngesandla sakho, tsala i-zipper strip kwaye uqhube i-shaft ukujikeleza, kwaye usebenzise iigiya ukuqhuba iirola ukuhamba emgceni.
Ukuhlangabezana neemfuno ezahlukeneyo zobubanzi bomzila, ukuhlengahlengiswa kweewasha kuyasetyenziswa kwaye kufakwe ngaphakathi okanye ngaphandle kwendawo yodonga ukuze kulungiswe.