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Message ID: 122     Entry time: Fri Mar 20 18:32:34 2020
Author: Andrey Starodumov 
Category: Full test 
Subject: FT of M1609-M1612 
M1609 and M1611 are graded C
M1610 and M1612 are graded B

C and most B grades are due to many trimbit failures. Interesting that this time at +10C there are more failures then at -20C.
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