What are the differences between a citrus press and a centrifugal juicer?

A Citrus Juicer is a device that squeezes the juice out of a citrus fruit, the fruit must be cut in half before being juiced and most of the pulp stays on the half fruit.A Centrifugal Juicer will juice harder and whole fruits by spinning them through a fine mesh. This results in pulp build up, usually in a storage device, and also a large amount of juice.