Quality also includes exterior appearance of defects, absence of Prism, and none Kok, crack, pigmentation, color line, Hang Waterloo, marble sheet also warping, dents, taint other appearance defects.

• 外观质量还包括外观缺陷,指缺棱、缺角、裂纹、色斑、色线、坑窝,大理石板材还有翘曲、凹陷、污点等外观缺陷。