Tracked Changes. Railway Applications. The Specification and Demonstration of Reliability, Availability, Maintainability and Safety (RAMS). Systems Approach to Safety|Maintenance, Risk assessment, Technical documents, Performance, Certification (approval), Installation, Planning, Management operations, Risk analysis, Hazards, Personnel, Design, Management, Quality, Grades (quality), Classification systems, Occupational safety, Modification, Approval testing, Equipment safety, Railway equipment, Quality assurance, Training, Reliability, Production, Verification, Specification (approval), Safety measures, Rail safety, Railways