(1) After use, it shall be cleaned.
(2) Coat the cleaned measuring tools with anti rust oil and store them in the cabinet.
(3) Disassembly, adjustment, modification and assembly shall be carried out by special management personnel, and shall not be carried out without authorization.
(4) Regularly check whether the performance of stored tools and measuring tools is normal, and make maintenance records.
(5) Regular inspection shall be carried out to check whether the size is qualified, so as to serve as the basis for continued use or elimination, and the inspection and maintenance records shall be made.
