An EDM apparatus for reducing wheel runout includes a support structure. The compound is useful for the treatment of allergic diseases having a relation to eosinophils and the like. Adjacent correction elements are separated by a gap. Provided the image descriptors belong to a common category, a difference value between select corresponding components of respective image descriptors is determined in accordance with an associated correlation protocol, the difference value representing the correlation between the images represented by respective image descriptors. Conductor carriers may include a groove which is suitable for receiving a sealing ring; and may include a street map which is suitable for providing guidance to a wafer sawing operation. A collection vessel is designed to be secured to a user’s waist and leg and allows for quick drainage with low initial compression.