a customers bought all new cabinet doors and drawer fronts that came preprimed...the primer looks very gloss and im going to sand them just in case so the paint bonds well...do u guys recamend wet sanding or dry sanding them and if so what grit....i bought 220 grit and 340 or 320 grit...en i dry sand with either alot of dust scatters...what are ur guys techniques for wet sanding....