Exact Globe and its' Bill of Materials (BOM) module solves a multitude of manufacturing and planning dilemmas for organizations that are faced with multiple warehouse structures, back-flush and manual issue material requirements along with BOM versioning for proper product life cycle management. Organizations with one production facility, or more than one, are presented with the opportunity to define and manage multiple BOM revisions, at the warehouse level, with components being provided from other warehouses, along with indication of what labor, machines and operations are associated with the BOM.