Methods of removing material from a defective opening in a glass mold using a laser pulse, repairing a glass mold and a related glass mold for injection molded solder are disclosed. One is a compensation & amplification process for providing a receipt signal with a distortion compensating calculation and amplification before outputting the signal with phase and amplitude compensated. The apparatus includes one body of hydraulic fluid for operating both the transmission and the steering gear, and one reservoir. The electrolytic plating process produces support layers substantially pure, free of unwanted additives such as phosphorus or boron, and exhibiting closely controlled grain sizes. In one aspect the system also includes a material overlay attached to the vest, the overlay including opposing end flaps and opposing side flaps the adjacent flap edges zippered for enabling the vest to be converted to an enclosure.