Carbolic soap days, he renewed the pad and discovered that no infection had developed, and after a total of six weeks he was amazed to discover that the boy's bones had fused back together, without the danger of suppuration. In 1894, William Lever, 1st Viscount Leverhulme introduced the first mass-produced carbolic soap to the market, Lifebuoy. One of the distinctive features of this soap is its deep pink to red color, which is caused by the carbolic acid. Carbolic acid is used in a wide range of industrial and consumer product applications and can be a skin irritant. Some people who use
Letter case Letter case Letter case (or just case) is the distinction between the letters that are in larger upper case (also "uppercase", "capital letters", "capitals", "caps", "large letters", or more formally "majuscule") and smaller lower case (also "lowercase", "small letters", or more formally "minuscule") in the written representation of certain languages. The writing systems that distinguish between the upper and lower case have two parallel sets of letters, with each letter in one set usually having an equivalent in the other set. The two case variants are alternative representations of the same letter: they have the same name and pronunciation and