Sewing types and machine sewing, sewing machine maintenance-Clothes

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Clothing, sewing and embroidery, clothing molds : In this compartment: sewing varieties, machine needles, needle types, issues to be considered in needle use. Sewing machine maintenance. Sewing yarns, yarn types, issues to be considered in the selection of yarn. Yarn wearing processes to the machine. Lubrication and sewing machine maintenance.