Automatic system based on Riesz MV-algebras, for predictive maintenance of bearings of industrial equipment using temperature sensors -- Smart contracts: A valuable technology in ERP e-commerce systems and for customer experience -- A nursing mobile robot for COVID19 patients using a RPI and mobile device -- Electric vehicles between recycling and sustainable development -- A new way of controlling traffic data inside a Smart City based on IoT devices and communication protocols designed for preserving perfect anonymity -- Research on the storage of integrated pipe corridor monitoring data based on blockchain technology -- Short-Term Covid-19 Incidence Prediction in Countries Using Clustering and Regression Analysis -- Importance of flexibility in design and organizational structure -- Green AI from Kirchhoff to Shannon.