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.
Urticaria, or hives, is a dermatologic condition that causes swollen, red bumps on the skin. Also known as weals, these bumps usually appear rapidly and can be anywhere on the body, causing your skin to itch, burn, or sting. The itching is often the worst part and once you've gone through it, the idea of reliving the experience is unpleasant.