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First paragraph: Grain-handling equipment is available for any situation under which grain must be transported from one location to another. The four types most commonly used for commercial and farm applications are belt, screw, bucket, and pneumatic conveyors. Grain- flow rate, distance, incline, available space, environment, and economics influence conveyor design and operating parameters. The objective of this section is to provide an overview of conveyor designs and operating characteristics. Power requirement and capacity calculations are different for each conveyor type and often are based on empirical data. It is suggested to use model specific, manufacturer-provided information for these calculations, or the procedures referenced in this section if manufacturer information is unavailable. Design of conveyors is covered in detail in the agricultural-engineering literature [1, 2] and in the chemical engineering literature [3, 4].