In view of the enormous amount of development work needed to evolve such a transport system it is obvious, however, that the construction and operation of such large air-cushion vehicles will not become a commonplace event in this century.
Xa kujongwe obu bukhulu bungaka benkqubela-phambili umsebenzi ojongene nolu hlobo lwesithuthi ucacile, ngoko ke uguqulo kunye nomsebenzi woluhlobo lukhulu lwesithuthi sokhuselo-moya awunakuba yindawo eqhelekileyo kweli xesha.