backing space

backing space

[′bak·iŋ ‚spās]
(engineering)
Space between a fore pump and a diffusion pump in a leak-testing system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Blamah explains that one has to consider backing space, swiss system and waste.Given these reasons, he adds that it's important to do Environment and Social Impact Assessment (ESIA).
In 1999 Hilton announced that it was backing Space Island Group, a company proposing to fly modified space shuttles into space and link their fuel tanks into a wheel-shaped station reminiscent of the one in Kubrick's film.