Biology, asked by gauhar1888, 1 year ago

difference between single needle and double needle sewing machine

Answers

Answered by rajpsingh20090

Answer:

Explanation:

win needle employs a chain stitch, single needle a lock stitch (conventional top and bobbin thread). ... That is where the thread forms a loop. A single needle seam is equally stitched twice but with a flat felled seam. One row of stitching is hidden inside the fabric.

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