Wirkungsgrad
available power efficiency
boiler efficiency
coefficient of utilisation lighting
coefficient of utilisation
coefficient
cutting efficiency
degree of efficiency
effect
effectiveness
efficiency basic terms of energy
efficiency degree
efficiency factor
efficiency index
efficiency level
efficiency of action
efficiency ratio
efficiency
gross thermal efficiency of the unit
heat efficiency
internal efficiency
potency
power efficiency
precipitator efficiency
strength of a reagent
strength
thermal efficiency
utilisation coefficient
utilization coefficient