PrefaceChapter 1: Advances in ConcreteEvaluation of the Effect of Impregnation Coatings on Concrete ProtectionUsability of the Combination of Fly Ash from Different Species3D Printed Cement Composites TestingComparison of Concrete Mixtures and Alkaline Activated Material with Regard to Selected Properties for Structural DesignReplacement of Fine Aggregates in Fine-Grained Concrete by Waste Material from Cetris Boards ProductionSelected Mechanical Properties of Concrete with Regard to the Type of Steel FibersHigh Performance and Ultra-High Performace Fibre Reinforced Concrete with Stabilized HomogeneityRheological Properties and Segregation of Fresh UHPC with Fibers Affected by Initial Temperature of Concrete MixChapter 2: Composite Materials and StructuresMechanical Properties of Luffa Fiber Reinforced Recycled Polymer CompositeResearch on the Influence of Humidity on the Manufacture of GFRP Vessels in the EquatorialComposite Conductive Carbon-Polymer Paints as a Replacement for the “Faraday Cage”Chapter 3: Materials for OptoelectronicsLight Extraction Efficiency Enhancement of White Organic Light-Emitting Diodes (OLEDs) by Micro/Nano-Patterning the Substrate LayerChapter 4: Materials in Thermal Engineering ApplicationsNumerical Analysis of Non-Sphericity of Particles of Powder Material and their Effect on Packing Structure for Concentrated Solar Power ApplicationsImproving the Thermo-Physical Properties of Plam Oil with Zeolite NanoparticlesHalloysite Nanotube (HNT) Dispersion Stability in 10% Ethanol-Water Mixture and Water