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Commonly Are Face -centered: Pure gold and many gold alloys are nonmagnetic, while an alloy of gold and manganese is somewhat magnetic, and some alloys of gold with iron, nickel, or cobalt are ferromagnetic. Crystals of gold most commonly are face -centered are face-centered cubic, but they also may be octahedral or dodecahedral.The two-circle goniometer has two independent graduated circles, one horizontal and one vertical. The crystal to be measured is centered on the axis of the vertical circle and positioned over the axis of the horizontal circle. The position of each face on the crystal may then be determined by rotating the vertical circle and swinging the entire vertical-circle assembly about the horizontal circle. In effect, the latitude and longitude of the normal to each face is determined.
The most important qualities for hair are that it be healthy, shining, and in a flattering, easy-to-manage style. Many fashion magazines suggest hair styles according to the shape of the face in order to make the face resemble as closely as possible the perfect oval. The circularity of a round face may be minimized by a sleek, controlled style with side bangs. A square face needs a style that cuts across the square corners at the temples and is full around the jaw. The best style for a long face also rounds off the corners at the temples and is short. For a triangular face, a narrow chin should be filled out with chin-length hair, while a wide chin may be minimized with wide bangs. In finding the right hairstyle, however, a woman should also consider the proportions of her whole figure, the texture of her hair, her skill in handling it, and the character of her life. |
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