Bolting equipment and information. Distillation of Usenet and other obscure sources. Notes on rewiring of hammer drills so battery pack is not on the drill. Interesting humor and commentary. With the items listed below you can alter the Earth forever.
Prices are generally somewhat high, but many items are difficult to find elsewhere.
Suunto and other survey gear prices are generally much lower than cave gear vendors. They also rebuild Suuntos . Exchange Jewelry Supplies Gold River, Ca. Minimum quantity 5, but most prices are retail. This fabric is much tougher than PVC , ballistics, or anything else I have ever seen.