
Ukufuduka okuphezulu, ukunikezwa komoya okuqhubekayo, ukusebenza okunamandla:
Injini kadizili, enokushayela kwayo ngqo noma ukusebenza kahle kokudlulisa okuphezulu, inikeza umoya ocindezelwe oqhubekayo onamandla amakhulu, ocindezelwe phakathi kuya phezulu, ohlangabezana nezidingo zamandla zemishini esetshenziswa kakhulu emoyeni njengemishini yokubhoboza phansi, ama-hydraulic breaker, kanye nemishini yokuqhumisa isihlabathi.
Isakhiwo esiqinile, esimelana nokushayisana futhi esihlala isikhathi eside:
Yakhelwe izimo zasensimini, wonke umshini unesakhiwo sensimbi esiqinile. Izingxenye ezibalulekile zivikelwe ekushaqekeni nasothulini, okwenza ukwazi ukumelana nokuhamba komgwaqo okunamagquma kanye nezimo zokusebenza ezinothuli, ezidlidliza kakhulu, okubonisa ukuqina okumangalisayo.

