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Browsing by Author "Van der Merwe, JP"

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  • Van der Merwe, JP (1984-03)
    Pure wool yarns may be produced on either the woollen or worsted system of manufacture. To the uniformed both will be described as woollen yarns. A distinction must, however, be made between end products produced from ...
  • Brydon, AG; Van der Merwe, JP (1986-02)
    A wrap yarn is a composite structure comprising a core of twisted or twisted fibres bound by a yarn or continuous filament. The term wrap yarn therefore include yarns produced by the hollow spindle method as well as similar ...