Complex sentence: However, there are special self adhesive X ray markers known as Magic X-ray markers, which are washable with soap and water and adhere to X-ray films or cassettes without using tapes; therefore, reduces the chance of harmful bacteria contamination.
Split into simpler sentences: However, there are special X ray markers known as Magic X-ray markers. These self adhesive markers are washable with soap and water and adhere to X-ray films or cassettes without using tapes; therefore, reduces the chance of harmful bacteria contamination.