Method and apparatus for installing a liner material into a host conduit such as, e. In some implementations, the methods and devices allow for small batch processing of a liquid with a transducer, which introduces ultrasonic energy into the liquid causing cavitations. Data is written to the first memory address of the first memory area. The side biasing layers may be formed of soft magnetic material to also function as side shields and the top shield may be ferromagnetically coupled to the side shields, with the magnetization of the top shield being opposite that of the magnetization of the bottom shield. Most of the by-products of the edible oil refining industry are either discarded or sold at a throw away cost to the soap industry for their free fatty acid content.