A garment system for healthcare providers including pants, a shirt, and a hood that provides a protective barrier against fluid or airborne contaminates. The system determines the position of the second transceiver. In a high-pressure fuel accumulator the pressure chamber can be implemented as a blind bore, wherein the blind bore being securely sealed with a tie rod. The AD converter includes a \u0394\u03a3 modulator and a digital filter to perform highly accurate AD conversion. In one embodiment, a composition in accordance with the present invention comprises a gene therapy vector containing a polynucleotide and a tissue permeabilizer.