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Identify the parts of the lockstitch sewing machine and give their functions.

Sagot :

Answer:

1. Spool pin: The main function of the spool pin is to hold the spool of thread. 2. Bobbin binder spindle: During winding, the bobbin is placed here. 3. Bobbin winder stopper: When the bobbin reaches its optimum capacity then the bobbin winder stopper stops the bobbin winding

Explanation: