After measuring (ring) after use, should be promptly cleaned measurement site attachments, stored in a predetermined measuring box.
By measuring the production site in the process of set should be placed in position, gently, to prevent damage to the measuring surface bump.
Measuring strictly prohibited as a cutting tool forcibly screwed into threads, to avoid early wear and tear.
Adjustable thread ring non Nonstoichiometry staff be adjusted to ensure measuring accuracy.
Ring a long time, payable metering management department for safekeeping.