Chapter 1: Machine Modelling and DesigningNumerical Analysis of Steel Elevator Car Frame: Sensitivity to Element ConnectionsProbabilistics Design and Analysis of Metal Interference FitsThe Impact of Nanofluid on Natural Convection in an Isosceles Rectangular Container with a Heat SourceHarvesting Electrical Energy from Automatic Sliding Doors UseDynamic Characteristics of a 5-kN Thrust Gas Turbine Front Bearing Composed of a Vibration Absorber Element and Deep Groove Ball BearingChapter 2: Construction MaterialsEffect of the Addition of Aggregates Derived from Used Tires on the Mechanical Behavior of ClayEffect of Long-Term Aging on the Behavior of Batu Pahat Soft Clay-Modified Asphalt MixtureChapter 3: Environmental ResearchThe Conductivity of the Oceans. Analysis Based on the Seismic Energy TheorySimulation-Optimization Modeling Techniques for Groundwater Management and Sustainability: A Critical ReviewRecent Applications of Flash Flood Hazard Assessment Techniques: Case Studies from Egypt and Saudi Arabia