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    Learn English > English lessons and exercises > English test #127345: Dictation - Silkworm Farming or Sericiculture 1/2
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    Dictation - Silkworm Farming or Sericiculture 1/2

    Find 10 mistakes in this text.
    Silk owe its existence to silkworms. The rearing of silkworms is called ' sericiculture or silkworm farming ' .
    The silkworm originated in Southern China, where it was already breed 2700, years BC. The eggs were imported into India, Persia and much later into France in the 13th century.
    Silk is obtained from the silkworm called mulbery Bombyx because the leeves of this tree feed the worm or caterpilar. In the process of becoming a butterfly, the silkworm makes a cocon from very fine threads and a sticky salivary substance that it produces itself. The total length of a thraed can vary from 2500, to 3500, metres. Only the central thread, which can be 1000, to 1500, metres long, can be unwound from the cocoon in a single length. To proced with the reeling of the silk thread, the technique known as ' smothering ' is used, which consists in placing the cocoons in ovens and then soaking them in boiling water to soften the sandtone. The first threads are then unwound and the various stages of milling, spinning and weaving are carried out, depending on the quality of silk thread desired. Silk thread is the finest of all natural fibres. From a chemical point of view, silk is a fabric that is very similar to wool, but unlike wool, silk fibres are smouth, which gives them a beautiful shiny effect.

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