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: norm/stipulation describing the explosion protection. The explosion protection type, the device category, the temperature class as well as the device / explosion group are taken from this norm. The type and number of the norm/stipulation with issue year and issue month must be given; Name: Reference norm of the explosion protection