multi-modal (assisgment 急)

Multimodal transportation is the combined freight service that is realized by means of different modes of transport: rail, highway, sea, and air.
That is, the main component parts of multi-modal transportation are: road, sea, air.
For company examples, you can find the respective logistic/transportation companies for road services, sea services and air services from the telephone/web sites directory.
Also, there are a lot of information on the following web-sites regarding multimodal transportation.
http://hk.search.yahoo.com/search?p=multi-modal+transportation&fr=FP-tab-web-t&ei=UTF-8&meta=rst%3Dhk

I have tried my best to help you.

2008-07-28 08:59:41 補充：
A general example is the Containerization, which is a system of intermodal freight transport cargo transport using standard ISO containers (known as shipping containers or isotainers) that can be loaded and sealed intact onto container ships, railroad cars, planes, and trucks.