PrefaceChapter 1: BiomaterialsEffect of Aging Time and Sonication Treatment on Hydroxyapatite Structure from LimestoneDetermination of Effective Atomic Number and Radiation Mass Attenuation Coefficient of the Bolus from Alginate Impression MaterialCharacterization of Glucomannan and Ca-Oxalate from Porang Flour (Amorphophallus muelleri Blume) as Candidates for Hydrogel MaterialsStability Test and Storage of PDMS as a Biomaterial for Vitreous Humour Substitution in Vitreoretinal SurgeryChapter 2: Laser ApplicationsReview of Recent Laser Technology of Development Multi Qubit Gates Using Ion Trap MethodLaser - Produced Functional Surfaces of Silicon and QuartzChapter 3: Engineering DesignSelection the Material and Analysis of Knee Joint for Smart Transfemoral ProstheticThe Design of a Piston Extruder for the Production of Gelatin Filaments Available for Hydroxyapatite Biocomposite 3D PrintingThe Influence of the Board Bending and Recoil Effect on Circus Performance in Korean TeeterboardThermo-Structural Response Prediction of UHTCC Control Surface for Hypersonic Cruise VehicleEffects of Bolted-Joint Parameters on Axial Tension after Hydraulic TighteningReducing Testing Time by Considering the Rubber Curing Time in Tire Manufacturing Company