Dremel 543 and EZ544 are both carbide cutting wheels for cutting and shaping on woods, fiberglass, plastics and laminates. Do not use them on metals. For 543 the mandrel is included; for EZ544 use the EZ402 Mandrel.
After Domagk published his findings in 1935, doctors found that Prontosil could control many bacterial infections. Subsequently, other researchers developed derivatives based on the Prontosil sulfonamide group. The resulting so-called sulfa drugs revolutionized medicine and saved many thousands of lives.
Sulfur is the chemical element that is found in Sulfa Drugs, Sulfites, and Sulfates. Sulfur is an essential element of life and is found in amino acids and other important molecules in the body. It is IMPOSSIBLE to have a sulfur allergy.You cannot survive without sulfur.llergies to sulfa containing drugs are not unusual. Sulfa drugs actually contain a molecule called sulfonamide. Sulfonamides contain Sulfur, Oxygen, Nitrogen, and Hydrogen. The sulfonamide drugs were the first antimicrobial drugs (antibiotics) These molecules plug up the bacteriaâs ability to reproduce.