![]() | Mining Start‑class Low‑importance | |||||||||
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![]() | Occupational Safety and Health Start‑class Low‑importance | |||||||||
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Sources
More sources about cap lamps can be found with this Wikidata search. I will probably add more information later. (Other sources are welcome too, of course.) James Hare (NIOSH) (talk) 19:00, 13 January 2017 (UTC)