The book presents a supplement to the proceedings of the International Conference on 'Advanced Topics in Mechanics of Materials, Structures and Construction' (AToMech1-2023). Keywords: Hand Gesture Control Accuracy, Metal Hot Extrusion, Artificial Neural Networks, Ionanofluids, Concrete Made from Wastewater Bottle Caps, Machine Learning, Pool Boiling Heat Transfer, Nanofluids, Additively Manufactured Steels.