Mass production based on production of identical, interchangeable parts is used widely today in industries such as automotive, electronics, and consumer goods. This system allows for efficient and cost-effective manufacturing of products on a large scale. The concept of interchangeable parts has become fundamental in modern manufacturing processes, enabling companies to produce a variety of products quickly and consistently. shorter and rephrase like a 8th grader

Mass production is when a lot of the same parts are made in factories to build products quickly and at a lower cost. This is used in industries like cars, electronics, and everyday items. The idea of using parts that can be swapped out easily has become really important in making things fast and consistently.