Machine building is the process of designing and constructing machines for various purposes, such as manufacturing, construction, or transportation. This field combines engineering principles with practical skills to create equipment that can perform specific tasks efficiently. The process often involves selecting materials, creating detailed plans, and assembling components like gears, motors, and frames. Professionals in this field, known as mechanical engineers, work closely with technicians to ensure that machines operate safely and effectively, meeting the needs of industries like automotive and aerospace.