A portable grain moisture measurement device automatically initiates testing at a predetermined grain compression and is calibrated to commercial moisture testers found in various commercial grain elevators so the user can select the commercial tester he wants to match moisture measurements with. The composition containing one or more recombinant polypeptides above can be effectively used as a myasthenia gravis specific therapeutic agent or immunomodulator without side effects. The preformed shape includes a first arc, a second arc, a third arc, a fourth arc, and a generally straight terminal portion. The elastic joint for eyeglasses will maintain a comfortable tension to retain the eyeglasses on the user. A second color conversion unit converts the mapped L*a*b* signals to CMYK signals. The present invention makes surely to convey the web without slipping from the pin tenters even when the pin tenters convey the web at a high speed.