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.
1 Review. Sulfacetamide sodium is an antibiotic that fights bacteria on the skin. Sulfacetamide sodium topical (for the skin) is used to treat acne, dandruff, seborrheic dermatitis (red, flaking skin rash), and certain skin infections.Sulfacetamide sodium topical may also be used for purposes not listed in this medication guide. You should not use this medicine if you are allergic to sulfa drugs.You should not use this medicine if you are allergic to sulfacetamide sodium or sulfa drugs. To make sure this medicine is safe for you, tell your doctor if you have: 1  lupus; 2  asthma; or. 3  a sulfite allergy.ou should not use this medicine if you are allergic to sulfa drugs. You should not use this medicine if you are allergic to sulfacetamide sodium or sulfa drugs. To make sure this medicine is safe for you, tell your doctor if you have: 1  lupus; 2  asthma; or. 3  a sulfite allergy.