osion resistant fastening means such as bolts or the like 106 Through hole 107 Threaded Hole 108 Means to turn the fastener such as a hex head or the like 109 Tapered thread 110 Impact testing means 111 stack (soldier) bond HlA horizontal stack bond 112 running bond 113 miscellaneous random configuration 114 alignment demarcation means (paint, color coded or other) 114B alignment demarcation means