Dabei erreichte man pro Sprengung 1,50m Vortrieb, bei zwei Sprenungen am Tag waren das 3m Vortrieb täglich.
Die Abbaumethode erzeugte leider eine große Menge Staub, so dass auch hier die Silikose bei den Bergleuten weit verbreitet war.
www.showcaves.comThis meant 1.5m driving per blast, with two blast daily there were 3m driving per day.
This method unfortunately caused a lot of fine dust, and as a result silicosis was a common miner s desease.
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