Or is it more economical to use high-speed hydrofoils or air-cushion vehicles?
Okanye ingaba luqoqosho ngakumbi ukusebenzisa iinqanawe ezinamaphiko anyukileyo xa zihambayo ukuze ihambe lula ezinesantya esiphezulu okanye inqwelo mafutha ezinjengemiqamelo ekhukhumeleyo?