In response to the demand to operate as efficiently as possible, freezing systems have stepped up to aid in energy management. Most of the improvements that have been made to modern freezing systems are in the areas of control and automation, says Eldon Roth, founder and chairman of Beef Products Inc.  

 Usually when people (myself included) raise the topic of the cost of inventory, we talk about the financing and management costs of holding inventory. However, with spare parts, many people consider these costs to be either conceptual or "sunk" (that is, a cost that cannot be recovered). It is this view of spare-parts inventory costs that prevents many companies from taking action to review their inventory and particularly review their spare-parts inventory-management processes.