The given diagrams indicate the silkworm's life cycle and how it produces silk. At a glance, there are four natural circle stages started from eggs while the latter passes five linear steps to create silk cloth utilizing pupa.
Firstly, eggs from moth will hatch after it brooded within ten days to be a silkworm larva. Spending a month or one a half month consume mulberry leave, it then create silk thread covering their body. Later, before it needs double eight days to transform into moth and lay eggs, it spends approximately three to eight days to be a chrysalis.
Next, to produce a silk cloth, a pupa that is got from silkworm's cycle life is utilized. To get it loose, it is boiled in the hot water. After it is being stretched, a 300 - 900 m yarn then is created. Afterwards, before it dyed, it can be twisted first or being weaved.