Everyday Usability 7 – Usable tap design
Taps are an everyday item that comes in a great variety of designs. Unfortunately, this can lead to usability issues. But, first let us focus on the user requirements for a tap. At minimum a good usable tap should indicate the following: Design criteria for a usable tap Whether the water flow starts manually or automatically (e.g., motion sensor). An icon with a hand and two lines marking the motion sensor clearly indicate an automatic tap. Whether the water temperature…