| 摘要 |
A dolly on which a materials handling package such as a crate or pallet can be carried has wheels ( 15, 16, 17, 18 ) each having a peripheral surface comprising a plurality of spaced projections and recesses therebetween, facilitating running of the dolly over a support surface of corrugated form such as may be found on a railway wagon for motor vehicle transportation. This facilitates the use of such railway wagons for transportation of vehicle components on the return journey after having delivered vehicles.
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