4.1. The testing cylinders are satisfactory without the expression reducing the ability to work and during the trial test; they does not arise the unusual phenomenon.
4.1.1.The testing agency stamps its seal and date, month, year of following testing into the cylinder in compliance with size and location as provided (14.4b TCVN 6294:1997 or 4.2 TCVN 6156:1996).
4.1.2.On the cylinder being reduced working pressure, the new data on volum and working pressure must be stamped countersunk seal. The new data must be erased by stamping cross.
4.1.3.To paint and mark in compliance with provisions on working solvent-substance of the cylinders (except for the LPG).
4.1.4.To make testing minute: The testing minute is made in accordance with form (issued attached herewith). To record fully the testing result, comments and requirements for the using establishment. To state clearly the standards applied during the course of testing.
4.1.5.To grant the testing result, testing minute to the using establishment.
4.2.To coordinate with the establishment to handle the removed cylinders in the steps implemented in the Item 3 according to provisions of the applicable standard.