The diagrams below show the life cycle of the silkworm and the stages in the production of silk cloth.
Summarize the information by selecting and reporting the main features and make comparisons where relevant
Bài mẫu tham khảo:
The given illustrations depict life cycle of Silkworm and manufacturing process of Silk cloth.
Overall, The lifecycle of silkworm has 4 steps, while manufacturing of silks involves 5 steps
Silkworm lays eggs on mulberry leaves which after 10 days hatch into larvae. The larvae continuously feeds on mulberry leaves for 4 to 6 weeks and gains enormous size and finally weaves a cocoon with help of its saliva or silk around its body. this process takes between 3 to 8 days.
If the shell is not retrieved for extraction of silk, larvae transforms itself into silkworm moth itself in matter of 16 days.
The retrieved cocoon is boiled in water in order to kill the larvae inside. After boiling process, shell is unwound into yarn. A cocoon can yield a single strand of length between 300 to 900 meters. The yarn Is twisted into a thread which is either dyed directly or woven into a cloth and sent for dyeing.
