“Designers” can be just as bad. I remember seeing a conceptual design for a “washball” which was a manual washing machine that would be dragged or attached to a bicycle. We’re looking at about 500 kg of water to drag around (plus the energy you need to create turbulent agitation) as an “easy” alternative to hand washing. It looked fabulous. It wouldn’t have worked. A hand-cranked or stationary bicycle inertial agitator would have been better. The sad part is that it was supposed to help people in areas with no or low electrical connectivity. Washing clothes by hand consumes massive quantities of labor, so it’s actually important to consider the issue of non-electric clothes washing.
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