have one of the finest hands of any natural fleece. alpacas have shorn annually in the spring and produce on average lbs of fiber. the fiber sells retail in the u.s. cottage industry between $ & $ per ounce. the first fleece or baby fleece is the finest, softest fleece the animal will produce and the...
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jun , image by mohamed hassan from pixabay pollution in cotton cultivation in the cultivation ofcotton, huge quantities of pesticides, fertilizer and water are used. about % of the world production of pesticides is used for cotton cultivation. it prevents the growth of undesirable organisms and thereby...
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are made from polymers containing at least % vinyl alcohol units and in which at least % of the units are combined vinyl alcohol and acetal crosslink units. the fiber is inexpensive, resembles cotton in properties, and is produced in japan. vinal resembles cotton and other cellulosic in end-use properties...
contain carbon, oxygen, nitrogen, and hydrogen. solid chips of these polyamides are melted and forced through a heated spinneret. the spinneret has from one to hundreds of holes. their size and shape change the characteristics of the resulting fiber. the fiber solidifies as it cools, and can then be...