21. The Mark II was also available as a bus underframe for other coachbuilders to body. 22. They were double-La Brugeoise underframes . 23. Rubber linoleum was used as the floor covering, directly over the steel carriage underframe . 24. The buffet car was a new body with rivets added, on the same underframe . 25. They were two open carriages and two covered carriages with wooden bodies on steel underframes . 26. These have steel bodies on steel underframes . 27. There was no pattern to which underframes were used for which carriage identities or series. 28. The gas was stored in reservoirs slung under the underframe and these ruptured in the collision. 29. This requires a very robust underframe . 30. The locomotives are designed to operate in winter conditions down to, and incorporates underframe snowplows.
