Silk, a natural fibre produced by a particular worm called a silkworm, has been used in clothing for many centuries.When silk was first discovered in China over 4,500 years ago, it was reserved exclusively for the use of the emperor, his close relations and the very highest of his ...
The nineteenth century and industrialisation saw the downfall of the European silk industry. Cheaper Japanese silk, trade in which was greatly facilitated by the opening of the Suez Canal, was one of the many factors driving the trend. Then in the twentieth century, new manmade fibres, such ...
The second picture describes the processes of the silk cloth production which have more than 5 stages. In the initial stage, the silk thread shells of the silkworm are selected and then boiled in the next stage. After boiling ...
The Development of Plastics When rubber was first commercially produced in Europe during the nineteenth century, it rapidly became a very important commodity, particularly in the fields of transportation and electricity. However, during the twentieth century a number of new synthetic materials, called p...
The nineteenth century and industrialisation saw the downfall of the European silk industry. The cheaper Japanese silk, trade in which was greatly facilitated by the opening of the Suez Canal, was one of the many factors driving the trend. Then in the twentieth century, new manmade fibres, suc...
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.
In 1851, the silk industry had its largest workforce, with 130,750 employees, including 76,786 women and around 54,000 men. At the same time, the number of factories was at its lowest, with only 272. By 1861, the number of silk factories had nearly tripled to 761, although the tot...
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silk. Its first use was to make parachutes for the US armed forces in World War H. In the post-war years nylon completely replaced silk in the manufacture of stockings. Subsequently many other synthetic fibres joined nylon, including Orion, Acrilan and Terylene. Today most garments are made ...