Description: indicates whether a component can be controlled or not ; Name: controllable 
Description: Provides information as to whether it is possible to continuously adapt the control variable to the reference variable of the control unit of the object; Name: Controllable
Description: Determined proportion of pump available power input, Pa, which is delivered as pump power output, Pu, after satisfying the losses resulting from friction due to the relative motion of internal surfaces and internal leakage ; Name: Hydraulic efficiency