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.
The discharge may also bypass your nose and drain down the back of your throat. You may feel a tickle, an itch, or even a sore throat. This is called postnasal drip and it may cause you to cough at night when youâre lying down to sleep, and in the morning after getting up. It may also cause your voice to sound hoarse.