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.
Top 10 unbelievable historical concurrencies. Synthetic hair is material that appears to be human hair but is made from non-human materials. These beauty items are often referred to as fake hair, a weave, and extensions. They are generally used by women to make their hair appear longer, thicker, or a different color.