TC-Kumba Kumba District Hospital 20080402 User Course Sterilization: checking efficacy of cleaning using an UV light. Published 15 April 2016 at 1434 × 1075 in TC-Kumba Kumba District Hospital 20080402 User Course Sterilization: checking efficacy of cleaning using an UV light. ← Previous Next → Cameroon-Kumba Kumba District Hospital 20080402 User Course Sterilization: Checking the efficacy of cleaning an instrument using a fluorescent powder and a UV light.