This document discusses various aspects of material management including objectives, activities, forecasting techniques, and material management improvement systems. The key objectives of material management are low cost, high service levels, quality assurance and low levels of tied-up capital while supporting other functions. Material management involves purchasing, production control, logistics, warehousing, inventory planning and disposal. Improvement systems discussed include Just-in-Time (JIT), Material Requirements Planning (MRP I, MRP II), and Distribution Requirements Planning (DRP I, DRP II) which aim to minimize inventory while maintaining production through quantitative and quality focused approaches.