As head of Americaâs largest oil company, Mr. Tillerson has earned a friendship award from Russia and voiced skepticism about American sanctions that have halted some of Exxon Mobilâs biggest projects in the country.
Top 10 facts about the world. Welts are bumps in the skin that are caused by a fluid buildup directly below the surface of the skin. A number of things can lead to the development of a welt, ranging from trauma to the skin to an allergic reaction.
While hives do have many factors that can be used in the distinguishing of them, perhaps the most common of all symptoms is the appearance of urticaria, or welts. These welts are red, itchy and usually appear quickly, only to dissipate shortly after, but depending on the allergen, can come back and are replaced by others.