benefit is an expansion of class allowing distinctions to be drawn constantly of energy saving appliances while at the same motivating to make appliances that energy saving is possible
The benefit is an expansion of Class A, allowing distinctions to be drawn among the constantly increasing group of energy-saving appliances while, at the same time, motivating producers to make appliances that are as energy-saving as possible.
benefit is an expansion of Class allowing distinctions to be drawn constantly of energy-saving appliances while, at the same motivating to make appliances that energy-saving as possible.