The diagrams below show the life cycle of the silkworm and the stages in the production of silk cloth.

The flow diagrams illustrate,

first,

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the loop of the silkworm, and

second,

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the process through which

silk

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cloth is manufactured using a cocoon.

Overall

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, there are four rather sophisticated stages in the life cycle of

silk

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. Four steps are needed to produce

silk

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cloth. The process begins when a

silk

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butterfly lays eggs, after ten days these eggs become larvae, and they feed from mulberry leaf for 4 to 6 weeks, in the third stage larvae begin to make an oval shape around themselves with

silk

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thread which they produce. An oval cocoon surrounds a worm after a 3-8-day period.

Then

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, after more than 2 weeks the cocoon covers to moth. The moth is fully grown to the next season. The process of producing

silk

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cloth begins when chosen cocoons, are

then

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boiled in hot water. In the next stage, these cocoons are unwinded, and some of them are about 300-900 meters

threads

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length.

Threads

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are twisted with each other to form thicker

threads

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. ultimately, these twisted

threads

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are dyed or weaved.