How Things Work: How do automatic flush systems in public toilets work? - Quora
TOTO MW4463056CEMGA#01 Aquia IV Two-Piece Elongated Toilet with 1.28 GPF & 0.8 GPF Dual Flush and Washlet+ S550E Washlet in Cotton White With Flush Mechanism: With Auto Flush
Surviving Public Bathrooms with a Child with Sensory Issues