PrefaceChapter 1: Heat and Mass Transfer in Engineering SystemsMathematical Analysis of Gold, Platinum, and Magnetite Nanoparticle Shapes on Unsteady Radiative Flow of Nanoliquid along an Infinite Vertical Flat Plate in the Proximity of Convective Boundary ConditionModelling and Analysis of the Dispersal of a Polymeric Pollutant Injected into a Channel Flow of a Newtonian LiquidComputational Irreversibility Analysis in Transient Flow of a Non-Newtonian Fluid through a Channel with Porous WallsChapter 2: 3D Printing in Biomedical Practice3D Printing of PolyLactic Acid (PLA) Scaffold Combined with Injectable Bone Substitute (IBS) for Tuberculosis Drug Delivery3D Printing of Heart Model as Medical Education Tools