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.
10 most extreme places on Earth. Many conditions can cause raised, red skin welts that may or may not itch, including allergies, hives, insect bites, and infection somewhere in the body. The welts, sometimes called skin wheals, usually go away in a few days but can be uncomfortable while on the surface of the skin.