for example an aqueous cellulosic slurry containing virgin pulp recycled pulp kraft pulp bleached and unbleached sulfite pulp mechanical pulp polymeric plastic fibers the like and any combination of the foregoing pulps the steps of forming the paper mat draining and drying may be carried out in any manner generally known to those skilled in the art u201c preflocculation u201d means the modification of filler particles into agglomerates through treatment with a particular flocculating agent prior to the addition of those filler particles into the paper mat the flocculating agent is selected on the basis of the size distribution and stability of the floc that the flocculating agent will form u201c runnability u201d means the degree to which a sheet of paper or paper precursor passes trouble free through the various stages and pieces of equipment in a papermaking process such troubles include but is not limited to jamming clogging or fouling equipment damaging equipment and or requiring more energy to pass the sheet of paper or paper precursor through the equipment in the event that the above definitions or a description stated elsewhere in this application is inconsistent with a meaning explicit or implicit which is commonly used in a dictionary or stated in a source incorporated by reference into this application the application and the claim terms in particular are understood to be construed according to the definition or description in this application and not according to the common definition dictionary definition or the definition that was incorporated by reference in light of the above in the event that a term can only be.