Safety fuse may be used only where extraneous electricity makes electric caps dangerous, and hammered or otherwise injured fuse is forbidden. Fuse may not be hung on nails or projections that bend it sharply. Before capping, a short length must be cut from the supply reel end so each cap receives a fresh cut end. Caps are attached only with a cap crimper of approved design, kept in good repair and accessible. Unused caps or short capped fuses may not go into any hole that is to be blasted and must be removed from the work area and destroyed. Fuse may not be capped nor primers made up in a magazine or near any ignition source, and nobody may carry detonators or primers on their person. Safety fuse length must meet State law and never be less than 30 inches. Hand-lit blasting with multiple caps and fuses requires at least two people present, and no blaster may light more than 12 fuses with hand lighting devices (a group lit together by igniter cord or similar counts as one). The so-called drop fuse method, in which a primer or explosive with a burning fuse attached is dropped or pushed, is forbidden. Cap and fuse may be used for mudcap charges only if charges are far enough apart that one cannot dislodge the others. The fuse's length and burning rate must be considered so the blaster always has enough time, with a safety margin, to reach safety.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.