Since 1973 the costs of bunkers in international shipping have increased multi-fold, so that now and in the future it will more than ever prove economical to exercise restraint when selecting ship speeds.
Ukusuka ku1973 amaxabiso eendawo zamalahle ne-oyile enqanaweni kurhwebo ngeenqanawa lamazwe ngamazwe lunyuke ngokuphinda- phindeneyo, ukuze ngoku nakwixesha elizayo iyakuba ngaphezulu kumanani ukuveza uqoqosho oluqhelaniswa nokuzinqanda xa kukhethwa isantya senqanawa.