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young brunette girl with blue eyes and earrings undresses a white silky slip on the bed with a yellow striped pillows
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Young Brunette Girl With Blue Eyes And Earrings Undresses A White Silky Slip On The Bed With A Yellow Striped Pillows

History
• Wild silk
A variety of wild silks, produced by caterpillars other than the mulberry silkworm, have been known and used in China, South Asia, and Europe since ancient times. However, the scale of production was always far smaller than that of cultivated silks. There are several reasons for this: firstly, they differ from the domesticated varieties in color and texture and are therefore less uniform; secondly, cocoons gathered in the wild have usually had the pupa emerge from them before being discovered so the silk thread that makes up the cocoon has been torn into shorter lengths; and thirdly, many wild cocoons are covered in a mineral layer that stymies attempts to reel from them long strands of silk. Thus previously the only way to obtain silk suitable for spinning into textiles in areas where commercial silks are not cultivated is by tedious and labor intensive carding.
Commercial silks originate from reared silkworm pupae which are bred to produce a white colored silk thread with no mineral on the surface. The pupae are killed by either dipping them in boiling water before the adult moths emerge or by piercing them with a needle. These factors all contribute to the ability of the whole cocoon to be unravelled as one continuous thread, permitting a much stronger cloth to be woven from the silk. Wild silks also tend to be more difficult to dye than silk from the cultivated silkworm. A technique known as demineralizing allows the mineral layer around the cocoon to be removed, leaving only variability in color as a barrier from creating a commercial silk industry based on wild silks in parts of the world where wild silkmoths thrive, such as Africa and South America.

File information
Filename:518539.jpg
Album name:Babes
Rating (1 votes):55555
Keywords:#young #brunette #girl #blue #eyes #earrings #undresses #white #silky #slip #bed #yellow #striped #pillows
Filesize:365 KiB
Date added:Nov 14, 2012
Dimensions:2048 x 1536 pixels
Displayed:239 times
URL:displayimage.php?pid=518539
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