Stainless Steel and the passive layer Steel is an alloy of iron and carbon. Contrary to carbon steel, the presence of a minimum of 10.5 % chromium in the stainless steel gives it the property of corrosion resistance. Indeed, on contact with oxygen, a chromium oxide layer is formed on the surface of the material.
Sinus Drainage & Stomach Problems. One of the primary results of sinus congestion is drainage. Sinus drainage is expelled in two basic ways: through the nose and the back of the throat. When sinus drainage is expelled in back of the throat, it is referred to as postnasal drip and can cause stomach discomfort.
How to Clear the Throat of Mucus. There can be many causes of mucus in the throat such as colds, allergies, gastroesophageal reflux and sinus infections. Throat mucus can be uncomfortable, make it difficult to swallow, cause constant throat-clearing or even drain into the stomach, causing nausea and bellyaches. Clear Throat Mucus.