cleaning solution on the surface of the cleaning mat other suitable techniques such as roll coating or flood and squeegee methods can also be used these application methods preferably provide a substantially uniform application of the cleaning solution over the treated surface the cleaning solution can be applied to the mat at numerous points in the process for example in a wet felted process such as the 34 wet 34 process described above the cleaning solution is preferably applied after the final water removal stage in a wet felted dry pressed process i e a 34 wet dry 34 process the cleaning solution is preferably applied after the final drying step for example if there are two drying steps the cleaning solution is preferably applied after the secondary drying step in a dry felted dry pressed process i e a 34 dry 34 process the cleaning solution can be applied at any time prior to consolidation the cleaning mat is preferably wet when it enters the pressing apparatus for example if the inventive cleaning solution is added after the first drying step of a two part drying system or too far in front of the pressing apparatus excessive drying could occur and reduce the efficiency of the cleaning solution the inventive method preferably provides a cleaning solution to a cleaning mat as opposed to placing a cleaning solution on a production mat because the.