Descriptors | Pipe connections, Gases, Leak tests, Pipelines, Flexible pipes, Mechanical testing, Marking, Endurance testing, Gas pipelines, Medical breathing apparatus, Air purification, Flow measurement, Electrical installations, Colour codes, Medical equipment, Gas flow, Pressure testing, Anaesthetic equipment, Safety measures, Hose connectors, Visual inspection (testing), Decontamination, Gas scavenging, Instructions for use |