්වීම් දෝෂය: අනීතික <ref> ටැගය;grades නමැති ආශ්‍රේයන් සඳහා කිසිදු පෙළක් සපයා නොතිබුණි↑ The table lists only a portion of the requirements for each grade. Each grade consists of 12 requirements. See United States Standards for Grades of Christmas Trees.↑ The 12 requirements a tree must possess for the "U.S. Premium" grade are: characteristics typical of the species, butt trimmed (except for trees graded "on the stump"), normal taper, fresh, clean, healthy,  well-shaped, not less than heavy density, handle length cannot exceed 6 inches (15 cm), or more than 1½ inches (3.8 cm) for each foot (.3 m) of height (except for trees graded "on the stump"), in total three faces must not have more than one "minor defect", the other face may have only one minor defect. The final two requirements have to do with size and a few exceptions for cases where entire lots are required to meet the grade. See United States Standards for Grades of Christmas Trees.↑ The 12 requirements a tree must possess 