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3. a. Presser foot c. Belt b. Bobbin winder d. bobbin
4. a.spool pin c. balance wheel b. bobbin case d. presser foot
5. a. Balance wheel b. Spool pin c. Tension Regulator d. bobbin case​


3 A Presser Foot C Belt B Bobbin Winder D Bobbin 4 Aspool Pin C Balance Wheel B Bobbin Case D Presser Foot 5 A Balance Wheel B Spool Pin C Tension Regulator D B class=