All test rods were required to install fixtures after use (for detection of contour degrees, location, degree) must promptly return bit, in order to
Loss-free. And fixtures engraved with numbers corresponding to the detection rod.

    For the pass only the regulation, it is best to use color-coded, red for just rules, green pass regulations. And to pass only the rules of their feet on the engraving
-Inch size and number, so that corresponds to the fixed installations.

    Where conditions permit, the case, the prosecution has enough space, it is best to check with operational guidance on the inspection with the book, rather than a single
Alone on a piece of paper.

    Nameplate: Nameplate on the must have product number, date of manufacture, self-test date (preferably the next self-test date), check the name
And other necessary information.
 
    To maintain a clean, no dirt inspection in order to avoid measurement error.

    Placed in a specific area, to prevent rust, moisture-proof.