Accueil > Term: permitted light
permitted light
Locked safety lamp or any other means of lighting, the use of which below ground in British coal mines is authorized by Regulations under the Act.
- Partie du discours : noun
- Secteur d’activité/Domaine : Mines
- Catégorie : Exploitation minière; Mineral mining
- Government Agency: USBM
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Créateur
- ed.young
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(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
