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

The flow diagrams illustrate,

first,

the loop of the silkworm, and

second,

the process through which

silk

cloth is manufactured using a cocoon.

Overall

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

silk

. Four steps are needed to produce

silk

cloth. The process begins when a

silk

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

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

Then

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

silk

cloth begins when chosen cocoons, are

then

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

threads

length.

Threads

are twisted with each other to form thicker

threads

. ultimately, these twisted

threads

are dyed or weaved.