<ul><li>Preface</li><li>Wear Properties of Stainless Steel Lubricated by Cerbera and Rubber Seeds Methyl Esters under Boundary Lubrication Condition</li><li>Adsorption of Iron (II) Ion by Using Magnetite-Bentonite-Based Monolith from Water</li><li>GTA Welding Dissimilar of AISI 309 to AISI 201 Stainless Steels by Using AISI 308L Filler Metals</li><li>Mapping Corrosivity Steel Construction at Atmospheric Conditions in Langsa Town Center and Palm Oil Mill Industry</li><li>Immobilization of Silver Nanoparticles on Chitosan-Coated Silica-Gel-Beads and the Antibacterial Activity</li><li>The Design of Reactive Powder Concrete (RPC) Mixtures Using Aceh Quartzite Powder</li><li>Permanent Deformation and Fatigue of Semi Flexible Pavement Incorporating Waste Tire Rubber and Natural Zeolite</li><li>Experimental Investigation of Making a Composite Material from Plastic (LDPE) Waste</li><li>Influence of Rubber Content on Failure Mode and Resistance Characteristics of PC/ABS Blends and their ABS Constituents under Impact</li><li>Failure Analysis of the Short Drive Shaft in a Screw Press Machine</li><li>Comparison of Hardness and Microstructure of Cast Wheel and Spoke Wheel Rims of Motorcycles Made of Aluminum Alloy Alloy</li><li>Failure Analysis of a Fractured Leaf Spring as the Suspension System Applied on the Dump Truck</li><li>Flexural Resistance Analysis on Hot Asphalt Mixtures with Wire Mesh Placement Modeling as Reinforcement</li><li>Failure Analysis on the Fracture Shaft of a Centrifugal Pump Used for Diesel Engine Cooling System</li><li>Chromate and Molybdate Inhibitors Effects on Corrosion Charateristic of API 5L Grade B in a Brine Water Solution Containing 8 % NaCl</li><li>Stress Analysis on an Automotive Coil Spring Driven on Flat, Uphill, and Downhill Road Surfaces</li><li>Nanomagnetite Extraction from Iron Sand Prepared by Mechanical Alloying Method</li><li>Bending Strength of Fiber Metal Laminate Based on Abaca Fiber Reinforced Polyester and Aluminum Alloy Metal Sheet</li><li>Atmospheric Corrosion Analysis on Low Carbon Steel Plate Profile and Elbow in Medan Belawan District</li><li>Numerical Simulation of Physical-Mechanical Properties Based on the Composition of GTAW Weld Metal Alloys with Dissimilar Base Metals</li><li>The Effect of Tool Rotation Speed on Hardness, Tensile Strength, and Microstructure of Dissimilar Friction Stir Welding of Dissimilar AA5083 and AA6061-T6 Alloys</li></ul>