I did say rule of thumb! :-)
Ok, take 2M x 4M x 1.8, give s afigure of 14.4CuM.
That makes approx 8.5 carloads of space! Even worse. Almost half as many cars again!
Hey peace Ocifant. I like maths too.
http://www.hg420.com/gallery/showphoto.php?photo=93542
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