TJ Mechanical engineering and machinery 34 Finite element method 15 Mechanics applied to machinery. Dynamics 6 Aeronautics. Aeronautical engineering 1 Analysis 1 Analytical methods used in the solution of physical problems 1 Diseases of the circulatory (Cardiovascular) system 1 Engineering machinery, tools, and implements 1 Fractures (General) 1 Industrial engineering. Management engineering 1 Machine construction (General) 1 Machine design and drawing 1 Materials of engineering and construction 1 Mechanical devices and figures. Automata. Ingenious mechanisms.Robots (General) 1 Mechanical movements 1 Metal manufactures. Metalworking 1 Motor vehicles. Cycles 1 Polymers and polymer manufacture 1 Rubber industry 1 Soil mechanics. Including properties of soils, water in soil, strength properties, consolidation, etc 1 Structural engineering 1 Surgery by region, system, or organ 1 Weaving and spinning. Textile fabrics 1 Welding 1