This question had a misfortune to be widely exposed in the hot list: Some of the employees don't check if everything has been flushed properly and that the bowl is clean Newer question is a slight variation of above, and is in the hot list too (why wouldn't it, having magic combination of wor...

This question has been bugging me ever since I've started learning usability. I am talking about the two buttons for the flush : Full and half container. On one hand, the button shape has to represent it's function. Thus a bigger button must mean the full container. On the other, dangerous/hea...

Have you ever noticed how questions about toilets always make it to the hot questions list? :) Anyway, the best option I see would be to have two buttons like this: First of all, the buttons are equal size, so that isn't confusing. Also, it has water droplets on it so someone can see the ...