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Mining Lights and Hats. ... Without light there was no sight ... Open flames could ignite the inflammable gas especially prevalent in coal mines and mining explosions ...
Mining Lights and Hats. ... Without light there was no sight ... Open flames could ignite the inflammable gas especially prevalent in coal mines and mining explosions ...
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A mining lamp is a lamp, developed for the rigid necessities of underground mining operations. Most often it is worn on a special safety helmet.
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