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26th July 2005 | 17:49

#2 (permalink)

Fargoo

Joined: Mar 2005

Posts: 731

Likes: 0

From: England

They're inflated with an inert gas during construction to take their shape. Don't know what gas is used though.
Might say in the new Rolls book - i'll have a look for you tomorrow.

Don't know about the first Q though.