Description: Characterization of a certificate with respect to the standard or guideline on the basis of which it was created.; Name: Certificate type
Description: classification of a certificate according to the standard or directive on the basis of which it was issued; Name: type of certificate
Description: Determined ten times the logarithm to the base 10 of the ratio of the sound energy, j, to a reference value, j0, expressed in decibels; Name: Sound energy level