The present invention is a method for oxyfunctionalizing, that is, introducing oxygen functionality to, a polyolefin such as polypropylene and poly. The first filter traps particulates in exhaust gases from said engine. The first game provides a plurality of symbols in either a moving condition or a stopping condition, and provides a state being advantageous to a player in the case that a predetermined pattern of the symbols is constituted when the plurality of symbols are stopped. The prepared gasoline, when combusted, can provide reduced deposits. A filter control module merges two or more filters each associated with a different one of the filter matching modules into a single merged filter, and stores the merged filter to the filter memory.