The present invention relates to a system for conducting the identification and quantification of micro-organisms, e. The pile system comprises first and second cylindrical plastic pile members and a detent system. Accordingly, they have practical utility in the treatment or prophylaxis of disease conditions wherein inhibition of induced IgE production is therapeutically desirable, including allergic conditions, autoimmune diseases and inflammatory diseases. Rotating an electronic device on the heat sink secures the electronic device in a friction fit with the resilient mounting flanges. The waterproof sheet is attached to the interface between the pier and the reinforcement to prevent water from penetrating into the interface for thereby preventing the reinforcement from deterioration. Varying the write current changes the trailing edge of the servo bits and controls the position of the track center.