A vehicle for separating a mixed debris stream is disclosed. The unique codes are grouped according to a property of the unique codes such as length. The lead extension is electrically coupleable between the neurostimulation connector block and the stimulation lead. The repeater circuit does not output the control signal from the first portion to the second portion, as long as a block that receives the control signal via the first portion is selected. The impact resistant device can be worn as body armor to protect the wearer from high velocity projectiles. The retrieved content may be processed through a signature marker set to determine a contextual match.