<P> The concept of inventory , stock or work - in - process has been extended from manufacturing systems to service businesses and projects , by generalizing the definition to be `` all work within the process of production - all work that is or has occurred prior to the completion of production . '' In the context of a manufacturing production system , inventory refers to all work that has occurred - raw materials , partially finished products , finished products prior to sale and departure from the manufacturing system . In the context of services , inventory refers to all work done prior to sale , including partially process information . </P>
<P> The concept of inventory , stock or work - in - process has been extended from manufacturing systems to service businesses and projects , by generalizing the definition to be `` all work within the process of production - all work that is or has occurred prior to the completion of production . '' In the context of a manufacturing production system , inventory refers to all work that has occurred - raw materials , partially finished products , finished products prior to sale and departure from the manufacturing system . In the context of services , inventory refers to all work done prior to sale , including partially process information . </P>
the concept of ensuring inventory of beer ( volume and sku 's ) is known as
the concept of ensuring inventory of beer ( volume and sku 's ) is known as
work - in - process
work - in - process