7. High Volume Ringer on the Cell Phone
Life without a cell phone cannot be imagined in the present times. However, there are certain places where it should be either kept in the silent mode or have a soft incoming tone. However, some people are in the habit of keeping their cell phones on with a loud incoming tone that shrieks through the office each time a call comes in. nothing can be more irritating than a shrieking tone jarring your concentration and bringing you out of work.