- tritium-powered exit sign
- обозначение аварийного выхода с тритиевым освещением
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
Exit sign — An exit sign is a device in a public facility (such as a building, airplane or boat) that displays where the emergency exit is. Most exit signs around the world are in pictogram form, with or without text supplement. There has been a shift… … Wikipedia
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Nuclear power debate — For nuclear energy policies by nation, see Nuclear energy policy. For public protests about nuclear power, see Anti nuclear movement. Three of the reactors at Fukushima I overheated, causing meltdowns that eventually led to hydrogen explosions,… … Wikipedia