Stability Analysis of Dismountable Pallet Racks -- Bibliometric Analysis in Wos Records of Mechanics Development Trends in the Time of Industry 4.0 -- Neighbor-joining Analysis of Mechanics and the Industry 4.0 Domains -- Monitoring of Soil Desertification - Quality Parameters -- Improving the Energy Performance of a High-head Francis Turbine -- Research on a Climbing Robot with Attachment by Vacuum Cups -- Smart Education Framework to Assess the Knowledge of Engineering Students -- Comparative Analysis of Smart Education Framework and Traditional Assessment Techniques in Evaluating the Knowledge of Engineering Students -- Effect of Various Solid Lubricants on Diamond Grinding of Heat-resistant Stainless Steel -- Models for Prediction of Failure Time for Optical Fibers under Severe Aging -- Multi-material 3d Printed Interfaces. Influencing Factors and Design Considerations -- Implementation of Human-robot Interaction Through Hand Gesture Recognition Algorithms -- Experimental Determination of Power Loss in Steel and Hybrid Rolling Bearings -- Design of Coupling of the Led Light Source to the Optical Fiber.