Engineering is the application of scientific, mathematical, and practical principles to design, build, and maintain systems, structures, and technologies that solve real-world problems. It encompasses disciplines like mechanical, civil, electrical, and chemical engineering, each focused on specific industries and innovations. Engineers rely on a systematic design process, grounded in problem-solving, mathematics, and physics, to develop efficient and sustainable solutions. Their contributions drive economic growth, enhance public safety, and promote technological advancements, all while adhering to ethical standards that prioritize the welfare of society and the environment.