On April 16, 2011, has become effective "Directive on conducting verification of horizontal cylindric tanks by manual geometric method". In order to train employees in Divisions for Control and Supervision of the Directorate of Measures and Precious Metals (DMDM) for this method of verification, on June 10, 2011, at Petrol station NIS, Blok-Promet, Boljevac, was realised training and demonstrated method in real terms. Tank for measure volume TNG, NV = 30 m³ was chosen.