ISBN-13: 9781494235055 / Angielski / Miękka / 2013 / 78 str.
ISBN-13: 9781494235055 / Angielski / Miękka / 2013 / 78 str.
This report presents a new concept in perimeter control blasting for underground metal/nonmetal mine drifting applications focusing on the importance of the buffer holes in a blast design.