A method and apparatus for allocating spectrum within a wireless communication system is provided herein. In one embodiment, a method includes driving the drill string by a drilling mechanism at the upper end of the drill string. The method includes the steps of filtering and treating the water with a sanitizing agent to remove impurities. The particulates include any suspended or dispersed form of the bisphosphonate which is not encapsulated, entrapped, or adsorbed within a polymeric particle. The invention also relates to the glass composition suitable for manufacturing said glass yarns, the basic structures of such yarns, in particular meshes, fabrics and mats, and the composites incorporating such yarns. The apparatus includes a hybrid cable including an optical fiber and a conductor, wherein the optical fiber is configured to transmit an optical signal and the conductor is configured to transmit a power signal.