N nrbhayo Newbie Nov 23, 2009 111,082 9,732 0 Aug 9, 2011 #42 Maybe it is the delivery of the rock to the top.
N nrbhayo Newbie Nov 23, 2009 111,082 9,732 0 Aug 10, 2011 #59 The arrangement of the mine. Workers hadn’t any safety equipment!
