> Definition[1]: Manufacturing is a series of interrelated activities and operations involving design,material selection, planning,production,quality assurance, management,and marketing of discrete consumer and durable goods. > Two broad categories of present-day manufacturing activities: Definition[1]: Manufacturing is a series of interrelated activities and operations involving design, material selection, planning, production, quality assurance, management, and marketing of discrete consumer and durable goods.  Two broad categories of present-day manufacturing activities: