Un'equivalente operazione di trasporto combinato dovrebbe individuare il container ed eventualmente il vagone ferroviario.
Directive #/#/EEC envisages that in order to take account of different levels of protection for the construction works at national, regional or local levels, it may be necessary to establish in the interpretative documents classes corresponding to the performance of products in respect of each essential requirementEurLex-2 EurLex-2