CHECK-LINE

MEASURING INSTRUMENTS-NAMELY, TENSION METERS (ALSO KNOWN AS TENSIOMETERS, TENSOMETERS, TENSIONMETERS OR TENSION TESTERS), YARN SPEED INDICATORS (ALSO KNOWN AS YARN SPEED METERS), TACHOMETERS, MATERIAL STRENGTH TESTERS, [ BURST STRENGTH TESTERS, ] STROBOSCOPES, BOBBIN TENSION SETTER [ , AND YARN TWIST COUNTER ]