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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

• Cultivation
Silk moths lay eggs on specially prepared paper. The eggs hatch and the caterpillars (silkworms) are fed fresh mulberry leaves. After about 35 days and 4 moltings, the caterpillars are 10,000 times heavier than when hatched and are ready to begin spinning a cocoon. A straw frame is placed over the tray of caterpillars, and each caterpillar begins spinning a cocoon by moving its head in a pattern. Two glands produce liquid silk and force it through openings in the head called spinnerets. Liquid silk is coated in sericin, a water-soluble protective gum, and solidifies on contact with the air. Within 2–3 days, the caterpillar spins about 1 mile of filament and is completely encased in a cocoon. The silk farmers then kill most caterpillars by heat, leaving some to metamorphose into moths to breed the next generation of caterpillars. Harvested cocoons are then soaked in boiling water to soften the sericin holding the silk fibers together in a cocoon shape. The fibers are then unwound to produce a continuous thread. Since a single thread is too fine and fragile for commercial use, anywhere from three to ten strands are spun together to form a single thread of silk.

File information
Filename:518528.jpg
Album name:Babes
Rating (1 votes):55555
Keywords:#young #brunette #girl #blue #eyes #earrings #undresses #white #silky #slip #bed #yellow #striped #pillows
Filesize:272 KiB
Date added:Nov 14, 2012
Dimensions:1536 x 2048 pixels
Displayed:250 times
URL:displayimage.php?pid=518528
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