Description: maintenance time after a component has broken down; Name: breakdown maintenance time
Description: Part of the maintenance time when active corrective maintenance is carried out on an item, including technical, logistic and internal administrative delays ; Name: Corrective maintenance time
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