A method and apparatus for tracking data associated with an event across multiple files includes generating a particular value upon occurrence of a particular event during a first process spawned from a first module. A recipient list of recipient names and addresses is preprogrammed and stored in the wireless communications device. A respective linear constant current circuit connects each light-emitting diode chip arrangement to a common, current-carrying voltage source. The darts may be formed in a stack arrangement within a missile such that the flyer-plate port of each dart is not aligned with the flyer-plate ports of any of the adjacent darts in the stack arrangement. The soft, resilient bimodal ionomeric covers comprise at least partially neutralized mixtures of carboxylate functionalized terpolymers with carboxylate functionalized ethylene low copolymers. The pressure portion includes a pair of coating fixing portions to be arranged at the opposite sides of a coating portion exposed between an exposed core of a wire and a rubber plug, and the coating portion is fastened by both coating fixing portions.