DEAR MISS MANNERS: I have a very stressful job. I am connected to my phone almost 24/7, and I take all calls regardless of my location. I frequently take calls from clients and staff while using the ladies’ room. I am distressed when others using the same restroom flush toilets and use loud hand-dryers while I’m on the phone. It must be obvious to them that I’m talking, and yet they make these noises, which interrupt my calls. How can I politely ask others to refrain from flushing or using the hand dryer while I’m on the phone? GENTLE READER: What did you have in mind? “Please stop going about…