Textile is an animal textile made from the fibres of the cocoon of the Chinese silkworm which is spun into a smooth fabric prized for its softness. There are two main types of the silk: 'mulberry silk' produced by the Bombyx Mori, and 'wild silk' such as Tussah silk. Silkworm larvae produce the first type if cultivated in habitats with fresh mulberry leaves for consumption, while Tussah silk is produced by silkworms feeding purely on oak leaves. Around four-fifths of the world's silk production consists of cultivated silk. Grass, rush, hemp, and sisal are all used in making rope. In the
Kambei Mori Kambei Mori Kambei Mori or , also known as Mōri Kambei Shigeyoshi , was a Japanese mathematician in the Edo period. Some 16th-century sources suggest that Mori studied in China, but such claims are inconclusive or rejected by historians. What is known with certainty is that he started a school in Kyoto and he wrote several influential and widely discussed books which dealt with arithmetic and the use of the abacus. One of his students was Yoshida Mitsuyoshi the author of "Jinkōki," which is the oldest extant Japanese mathematical text. In a statistical overview derived from writings by and about