PrefaceChapter 1: Polymers and CompositesNumerical Analysis of Hybrid Fibre-Reinforced Concrete Beam-Column JointExperimental Study on Mechanical, Chemical and Acoustical Properties of Waste Tea Leaf Fiber Reinforced Epoxy CompositesStudy of Stir Casting and Microstructure of Al-B4C MMCsInvestigation on Environmentally Polluted Water Hyacinth with Banana Fibre Reinforced Composite Absorption PropertiesOptimization Techniques in Compression Moulding: A Comprehensive ReviewMicromechanical Analysis of GFRP Composite with Micro-Level DefectsChapter 2: Additive ManufacturingInvestigation of Polylactic Acid 3D Printed Hollow and Thin-Walled Structures through Topology and Mechanical Properties Optimization Using Integration of Taguchi Method and Principal Component AnalysisInterlaminar Adhesion Study of Fused Filament Fabrication (FFF)-Printed Soft and Rigid Bilayer Structure with CompositesChapter 3: Materials and Technologies for Environmental EngineeringPolymer-Based Metal-Organic Framework Composite Beads: Optimization for Methyl Orange AdsorptionPAN/PVP/CD-MOF Composite Beads for the Removal of Methylene Blue and Congo Red in WaterOptimization of Chitosan - MIL-101(Fe) - Polyethyleneimine MOF-Based Composite Beads for Methyl Orange RemovalFabrication of Paper-Based Silver Nanoparticle (AgNP) Sensors for Smartphone-Based Colorimetric Detection of Cu (II) in WaterChapter 4: Materials for Opto- and MicroelectronicsLow-Temperature Atmospheric Pressure Plasma Jets and their Applications in the Surface Activation of some Polymeric Substrates for Advanced Electronic PackagingBlue-Emitting SrLaAlO4: Ce Phosphors Obtained by Combustion SynthesisPhotoluminescence of Erbium-Doped ZnO NanostructuresChapter 5: Chemical Synthesis and Chemical ProductionThe Effect of Three Factors Interaction on the Size Distribution of White Sugar Crystals in the Batch Vacuum PanStudy on Adsorption of Diesel Molecules on MoS2 and NiMoS Catalysts