fiber natural fiber by textile school last updated mar , by david nance - united states departement of agriculture, agricultural research service - image number k - , public domain, link share cotton gins are factories that complete the first stage of processing cotton - separating the lint from the seed...
well, just like in a garden, you can have weeds and vegetables. it is only our desire to have one over the otherthan makes one good (vegetables) and one bad (weeds). clearly we want good crystals. tempering is making good crystals, and destroying bad crystals. that is it. each step in tempering, regardless...