Effects of Nanocellulose Extracted from Pineapple Leaf Fiber Incorporation on the Physico-Chemical and Thermal Properties of Reinforced Epoxy NanocompositesEco-Friendly of Sound-Absorbing Material Based on Polyurethane-Urea with Natural Fiber WasteOptimization of the Printing Parameters of Glass Fiber Reinforced PA6 Using Factorial ExperimentsAspects Regarding of Nanomaterials and Nanocomposites in 3D Printing Technology Process Development for Application in BiomedicineCompressive Behavior of Various BCC Lattice StructureNumerical and Experimental Study for Al4043A Aluminium-Silicium Alloy Fabricated by Wire Arc Additive Manufacturing under Dynamic Tests