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.
Other medications that may cause a reaction. Other types of sulfa medications may trigger a reaction in some people who have a sulfa allergy: 1  Sulfasalazine (Azulfidine), used to treat Crohn's disease, ulcerative colitis and rheumatoid arthritis.2  Dapsone, used to treat leprosy, dermatitis and certain types of pneumonia.ther types of sulfa medications may trigger a reaction in some people who have a sulfa allergy: 1  Sulfasalazine (Azulfidine), used to treat Crohn's disease, ulcerative colitis and rheumatoid arthritis. 2  Dapsone, used to treat leprosy, dermatitis and certain types of pneumonia.