Cylindex Cylinder Assessment Technician (C.A.T.) CertificationEnhance your resume CV by completing The Cylinder Assessment Technician (C. A. T.) certification is an industry recognized standard for high pressure cylinder visual inspection, oxygen cleaning, valve service, and fill station operation. Whether you work in SCUBA, fire suppression, emergency services, aviation, food & beverage, cryogenics, or industrial gas sectors, the C. A. T. certification ensures you meet the highest standards of cylinder safety,