Your property tax bill is based on the assessed value of your property, any exemptions you qualify for and a property tax rate. The assessed value of your property is determined on a certain date.
Although these techniques were strictly controlled by imperial decree, eventually silkworms were smuggled out to establish sericulture in Korea, Japan, and India. It seems to be first produced in China around 3000 BC. Silk was spun in ancient China from silkworms (b<i>ombyx mori</i>) as early as 5000 BC. Over the period from 2700 BC to 1600 BC, domestication techniques enabled extensive production of silk thread and cloth.
Silk fabric was first developed in ancient China. The earliest example of silk fabric is from 3630 BC, and it was used as wrapping for the body of a child from a Yangshao site in Qingtaicun at Xingyang, Henan. Legend gives credit for developing silk to a Chinese empress, Leizu (Hsi-Ling-Shih, Lei-Tzu).he protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture).