Hull shapes are categorized by roundness/flatness, and by the presence and angle of chines. The analogue of roundness in three dimensions (that is, for spheres) is sphericity. A smooth ellipse can have low roundness, if its eccentricity is large. Some properties, such as hardness, roundness and dampness, are clearly natural properties. His psychological leitmotiv is complacency, and his geometrical expression roundness. This improves the nose-to-mouth lines and the roundness over the cheekbones. Sedimentary textures include the degree of sorting, grading, shape and roundness of the clasts. The most common stylization method in Peking opera is roundness. Radial run-out (RRO) describes the deviation of the tire's roundness from a perfect circle. Uyghur vowels are distinguished on the bases of height, backness and roundness. Other considerations are roundness and surface finish. Eye and lip size and roundness were greater in artistic self-portraits. A slightly inclined table is used for checking roundness. Alluvial debris in major rivers tend to exhibit a high degree of roundness. A roundness of the eye is indicated henceforth.