Sep 30, 2014. Ores are rocks that contain enough important elements in concentrations high enough that they can be economically extracted from the rock. The most valuable ores contain important metals like copper, gold, iron, and aluminium. For example, bauxite ore (below) contains from 50 - 70% of aluminium oxide. The bauxite is mined and refined to extract aluminium.
A hair weave is human or artificial hair utilized for the integration with one's natural hair. Weaves can alter one's appearance for long or short periods of time by adding further hair to one's natural hair or by covering the natural hair all together with human or synthetic hairpieces.
Weaving is a method of textile production in which two distinct sets of yarns or threads are interlaced at right angles to form a fabric or cloth.Similar methods are knitting, felting, and braiding or plaiting. The longitudinal threads are called the warp and the lateral threads are the weft or filling.(Weft or woof is an old English word meaning that which is woven. ) The method in which these threads are inter woven affects the characteristics of the cloth.he longitudinal threads are called the warp and the lateral threads are the weft or filling. (Weft or woof is an old English word meaning that which is woven. ) The method in which these threads are inter woven affects the characteristics of the cloth.