2025-03-212025-03-212023-12-05https://hdl.handle.net/10919/125046Applicator tightening the Self-Contained Breathing Apparatus (SCBA) respirator mask to ensure a correct fit. A SCBA is a type of atmosphere-supplying respirator.Dimensions: 7360 × 4912Size: 15.4 MBimage/jpegenCreative Commons Attribution 4.0 InternationalPPEImageVirginia Tech