Do not settle for blurry, third-generation copies. Invest in the official document, print the comparator plates in high resolution, and train your team on the subtle differences between a cosmetic pit and a rejectable cavity.
The standard differentiates between acceptable irregularities and rejectable defects. mss sp55 standard pdf work
Small pinholes or voids caused by trapped gases during the pouring process. Do not settle for blurry, third-generation copies