Description: the actual sound energy level; Name: soundenergylevel
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
Description: a group of construction elements with the same construction features and the same construction, which can be collated for the construction type approval and quality conformity controls as a result of similar manufacturing methods. they are generally allocated to a construction type specification. Note: in certain cases, construction element from different construction type specifications can be viewed as belonging to the same type and hence collated for the construction type approval and quality conformity controls; Name: Construction type of the connection, muff A2