To begin an etching, an artist must first coat a blank copper plate with wax. Using a steel needle, she draws her intended picture through the wax and onto the metal. The metal is then submerged into a bath of acid and left for about two hours.
The majority of people with a GERD-induced cough donât have classic symptoms of the disease such as heartburn. Chronic cough can be caused by acid reflux or the reflux of nonacidic stomach contents. Some clues as to whether a chronic cough is caused by GERD include: coughing mostly at night or after a meal.
There are 3 main reasons why symptoms of colds or flu seem to be worse as we try to get our much-needed rest, and understanding what is happening to our bodies at night can sometimes help us to glean more restful sleep. 1. Role of gravity. During the day when you are standing or sitting upright, nasal mucus drains down your nose and throat.