bicycle pedal arm variable encouraging greater) mission of power equal to effort.

摘要

for the internal cleansing of cups, toilet is proposed a tubular body designed to be applied to the cup (1) comprising a shaft (23) for feeding water.presented in a plurality of nozzles (29) disposed in such a way that, when the tubular body is applied to the part tergale of cup.these nozzles generate a stream of water (g1) approximately tangent to the posterior surface (12) of the internal cup. (fig. 3).