Combine barley and yeast to make tasty beer.
Tends machine that smooths rough edges from pen point tips: Places pen points into molds on hinged holding device and closes device to hold pen points stationary during smoothing process. Sprinkles polishing rouge on felt wheel and starts machine. Inserts tongue of holding device into groove on machine bed and moves holding device back and forth in groove as pen point tips work against rotating felt wheel or guides holding device against rotating wheel by hand to smooth surface of pen point tips. Feels tips of pen points with fingers to detect rough areas.