Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
21:45 Dec 29, 2010
This question was closed without grading. Reason: No acceptable answer
English to Polish translations [PRO] Tech/Engineering - Mechanics / Mech Engineering / maszyny szwalnicze
English term or phrase:butterfly
Butterfly takes up thread and gives it to the stitch. At the end of the stitch, the butterfly mechanism tightens the thread with a quick pull through a toggle motion.