Ocean thermal energy conversion (OTEC)
OPEN-END DENIM ILLUSTRATION
OPTIMUM TWIST DIAGRAM
OPTIMAL LIFETIME SLOWING FASHION DIAGRAM
Organic recycling is the reprocessing of waste materials back into secondary raw materials or products through biological processes such as composting or anaerobic
Other fibre is a term of the composition label of fabrics containing recycled materials. Many of the textiles produced in the Italian area of Prato are made using yarns spun from blends of recycled wool and, of course, other fibres.
Optical brightness or Optical Whiteners are chemicals make fabrics seem to show lighter than they do, to make them brighter they convert ultraviolet light to visible light in the blue region. They are sometimes used in the manufacture of fabrics and included in the formula of many detergents sold for home use.