Description: duration of a maintenance action, excluding logistic delay; Name: active maintenance time
Description: Part of the maintenance time when active maintenance is carried out on an item ; Name: Active maintenance time
Description: Speed that characterizes a pump in terms of its speed, flow rate per impeller eye, i.e. total flow for single-flow impeller, half flow for double-flow impeller, at the best efficiency point and head per stage at maximum impeller diameter ; Name: Specific speed