Importance of post-harvest technology aspects in developing countries, defining harvest and post-harvest losses, losses and damage-assessment, measurement, estimation and waste in relation to the food pipe line; Moisture content and moisture meters, harvest maturity and its determination, harvesting of perishable and durable crops; Drying theory: thin and deep bed drying of crop, air-flow through porous media, psychrometry and its use in crop drying, heat and mass balance, fans and motors used in handling crop products, crop dryers and their maintenance; Principles and practices of crop storage, preparing grain for storage, storage structures including evaporative cooling and their maintenance; Enemies of stored grain, control of insects and rodents, management of insecticides and helping someone poisoned by the insecticides; Crop handling, cleaning, grading, grinding, roasting and puffing of agricultural products, fineness modulus and estimation of uniformity index of ground material.