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Are you referring to gas canisters other than the liquid nitrogen tanks that litter the sidewalks to cool underground infrastructure?
by deet 11y ago
Are you referring to gas canisters other than the liquid nitrogen tanks that litter the sidewalks to cool underground infrastructure?
- MertsA 11y agoI'm not aware of any use of liquid nitrogen to keep general infrastructure cool but it sounds like you're referring to the gas tanks that keep wiring under a positive pressure to keep moisture out. http://gothamist.com/2008/01/31/nitrogen_tanks.php http://gothamist.com/2008/01/31/nitrogen_tanks.php
- deet 11y agoI stand corrected! That use makes more sense, since sometimes they seem to come and go transiently.
- yepnopemaybe 11y agoI haven't looked to closely into it, but some of the canisters I have seen have seemed to be slowly releasing gas into the air.