- gas detector electric lamp
- газоизмерительная электрическая лампа
English-Russian mining dictionary. 2015.
English-Russian mining dictionary. 2015.
Davy lamp — (drawing) Davy lamp (photo) … Wikipedia
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Rough Science — is a UK factual television series made by the BBC in collaboration with the Open University and has, as of 2005, had six series. It is broadcast in prime time on BBC Two and is considered something of a break out hit for the Open University.… … Wikipedia