1 Your heart rate. 2  Your heart rate offers a more objective look at exercise intensity. 3  In general, the higher your heart rate during physical activity, the higher the exercise intensity.
Major uses of cotton fibres. Source: Adapted from: Cotton Facts, International Cotton Advisory Committee (ICAC), 2003. The major end uses for cotton fibre include wearing apparel, home furnishings, and other industrial uses (such as medical supplies). The cotton fibre is made primarily into yearns and threads for use in the textile and apparel sectors (wearing apparel would account for approximately 60% of cotton consumption).
However, many experts trace the deaths of more than 600,000 U.S. citizens on Civil War battlefields to an older cause: the cotton gin. This machine revolutionized the process of separating cotton from its seed, making it dramatically faster and less expensive to turn picked cotton into usable cotton for textiles.