rdfs:comment
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Wagon is a type of a loading unit – and at the same time it constitutes a business service (called usually SWL or Single Wagon Load, or LTTL or Less-Than-Train-Load when transporting multiple wagons, but less than a block train devoted for one customer).
A wagon has many parameters or characteristics, namely the technical ones (as the dimensions, usable load etc.), business ones (NHM code, tariff treatments etc.), and the railway traffic ones (as the braking type, or wagon number and order).
Relationships:
• A Wagon has a number
• A Wagon has a certain position on the train
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