Up to now the trend has been to increase the size of the unit loads, but where containers are concerned this is in many cases running up against the difficulties that have already been mentioned.
Ukuzokutsho ngoku intsingiselo ibiyeyokunyusa ubungakanani beyunithi zemithwalo kodwa apho izikhongozeli beziqonde khona lento kwiimeko ezininzi ibaleka ecaleni obusele bukhankanyiwe