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.
The hair is braided (weaved) and covered with the specail ochre mixuture called otjize. Before reaching the puberty girls have only two hair braids. After the puberty they are allowed to make more of them. Single Himba men have only one braid backwards from the crown of the head.