This book compiles the papers presented at the 2nd International Conference on Applied Engineering, Science, Technology and Innovation (AESTI 2024, 28 October 2024, Meulaboh - Aceh Barat, Indonesia). The collected articles explore innovative solutions and their practical applications in various industrial fields, including civil engineering, mechanical engineering, mechatronics, materials science, and industrial engineering. They will be useful for a wide range of specialists in many branches of modern engineering.