This document discusses production planning and control (PPC) in manufacturing. It defines key concepts like production, planning, production planning, control, and production control. It outlines the objectives of PPC which include optimizing capacity utilization, inventory control, reducing production time, and ensuring quality. The main steps of PPC discussed are production planning, routing, scheduling, loading, dispatching, follow up, inspection, and corrective actions. Routing determines the sequence and resources for production. Scheduling sets start and finish times. Loading assigns work. Dispatching releases orders. Follow up monitors progress. Inspection checks quality. The overall goal of PPC is efficient and profitable production.