Water saving flush buttons – Thoughts on interactions
Why are there two buttons to flush the toilet? : r/germany
First timer in Paris: What is the need for two buttons on the toilet? And mostly when I encounter these, usually the small button never works….🚽✨ : r/ParisTravelGuide
What are Dual Flush Toilets & How Does It Work | Blog | Your 1 Plumber FL
Hand pushing the low-flush button on a two button toilet flushing system, designed to reduce water usage, Regensburg, Bavaria Stock Photo - Alamy
Dual-Flush Toilets Shouldn't Be a Crapshoot | BuildingGreen