But a standard industrial pumping loop was redesigned to use at least 86 percent less energy, not by getting better pumps, but just by replacing long, thin, crooked pipes with fat, short, straight pipes.
Pero se rediseñó una tubería industrial típica para usar al menos un 86% menos energía, no mediante mejores bombas sino reemplazando tubos largos, finos y torcidos por tubos gordos, cortos y rectos.