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tear = (1) to pull apart (verb); (2) drop of liquid from the eye (noun)
tare = (1) weed (noun); (2) container's weight (noun).
...I meant #1 of (1) above.
...synchro is abbreviation for synchronization-ring, which is an intermediary 'toothed' (usually brass) ring that initially engages the DRIVE rotator, then by friction due to its 'conical' inner surface, slows down the DRIVEN rotator until their two rotational speeds "synchronize" and then the DRIVE and DRIVEN shafts can be locked by sliding spline.
Last edited by gone-ot; 10-11-2009 at 07:35 PM..
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