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    Rights: University of Waikato
    Published 31 May 2010 Referencing Hub media


    Dr Errol Wood (AgResearch)
    A set of processes required to convert that tangled mass of scoured wool into a nice even smooth yarn. There are variations in the number of steps required depending whether you are making a yarn for the woollen system or a yarn for the worsted system. But irrespective of what the end product is, there is the need for the scoured wool to be opened and mixed and reorganised in a nice uniform strand. We do that through a process called carding. Carding is a big machine about 20 metres long or longer with tooth rollers that tease the fibres, open them up and produce a nice even strand for the next stage.