The topics in the book as follows ;Electronic Evolution Of Firearms; Past And FutureBiological ControlHexarotor Lateral Flight Control Using Deep Neural Network And MorphingVariation Of Electrical Resistivity Properties Of Bulk Bi2.1sr2.0ca1.1cu2.0oy Superconducting MaterialsCell Culture On Polyurethane Nanofibrous ScaffoldDesign And Analyse Of Robust Switched Controllers For A Magnatic Lavitation SystemComparing Extreme Learning Machine And Arima Model For Forecasting Covid-19 Total Infected Cases In TurkeyAn Overview Of Impact Of Industry 4.0 Technologies On Maintenance, Repair And Overhaul And Other Civil Aviation ActivitiesSolution Plasma Processing And Its ApplicationsExperimental Investigation Of The Use Of New Type Turbulator In A Double Pipe Heat ExchangerEnvironmental Impacts Of Large Dams: Yusufeli Dam/TurkeyNano Antifouling Coating Approaches In The Marine IndustryPerforming An Example Forklift Design And A Simulation With Pid ControllerKonya Bicycle Routes Improvement Studies And Evaluation Of Bicycle Roads With Geographical Information System (Gis) TechnologyEconomic And Environmental Evaluation Of Rainwater Harvesting System And Solar Energy For Agriculture