| 
              Pipe fittings. Ensuring reliability in manufacturing | 
              Pipe fittings. Test methods for resistance to climatic external factors | 
              Pipe fittings. Testing method for resistance to vibration | 
        
          | 
              Pipe fittings. Terms and definitions (with illustrations) | 
              Pipeline valves. Flange joints. Method of force calculation | 
              Pipe fittings. Types of control and testing | 
        
          | 
              Valves pipeline. Questionnaires | 
              Pipe fittings. Electric drives. Terms and Definitions | 
              Pipe fittings. General Fire Test Requirements | 
        
          | 
              Pipe fittings. Latches. The method of force calculation | 
              Pipe fittings. Enclosures and covers. Rationing static strength | 
              Pipe fittings. Bolts and studs. Rationing static strength |