Bojra dhe verniqe - Percaktimi i fuqise se fshehur - Pjesa 3: Percaktimi i kontrastit te bojrave(patejdukshmerise) me ngjyre te lehte ne nje mase te caktuar shperndarjeje (lyerje).
Paints and varnishes — Determination of hiding power — Part 3: Determination of contrast ratio (opacity) of light-coloured paints at a fixed spreading rate