The present invention relates to a system fixing carbon dioxide. The balancer is disposed adjacent to the rear cover and the shaft flange such that the first annular-shaped member contacts the shaft flange and the second annular-shaped member contacts the rear cover. The partner site server system maintains tie-up pages related to a partnership between the main site and the partner site, and original pages of the partner site. Additionally, a gasket with a size and a shape adapted to be inserted into the receiving cavity and around the portion of the composite piece may optionally be utilized. The locking member is spring loaded to maintain the handle at a desired position.