[personal profile] moominmuppet
Of those "walls of air" used to divide spaces, usually to prevent heat or cold loss, or to prevent smoke from travelling? They're high-pressure air shooting down from the ceiling, and commonly encountered in public spaces (I know I've encountered them in some restaurants, grocery stores, and our public transit buildings).

Date: 2006-02-17 12:00 am (UTC)
From: [identity profile] fabulousmisst.livejournal.com
the better question is, why do you want to know? they look pretty expensive....

Date: 2006-02-17 01:42 am (UTC)
From: [identity profile] moominmuppet.livejournal.com
Oh, nothing particular -- just a conversation with [livejournal.com profile] marnanel about better and worse ways of handling smoking areas in restaurants and such.

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moominmuppet

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