A self-cooling container with an internal receptacle. The molded-glass secondary lens also includes a short rod for reducing the peak concentration on a photovoltaic cell that is optically bonded to the end of the rod. The laser module includes a laser diode arranged for transmitting the bursts of data signals. With the gas drawn-in capability of the quasi-Venturi tube, gas can be mixed with the liquid flow through the quasi-Venturi tube under negative pressure and forms small gas bubbles in the liquid. 35 mm, and the depth of the blunt portion is in a range of 25 to 50 \u03bcm. The method for managing customer data includes assigning one or more roles with entities desiring access to customer data, the entities including at least one application.