Brewing Process Learn all the steps and ingredients of the beer brewing process. Enemies of Beer Learn to keep brewery-fresh flavor by thwarting the four enemies of beer. Code Dates and Rotation Ensure freshness by using a rotation system and reading code dates. Product Integrity Product integrity refers to presenting product to the consumer as close to brewery-fresh as possible. Off Premise Rotation Dive deeper into rotation procedures for off-premise accounts. On Premise Rotation Dive deeper into rotation procedures for on-premise accounts. Keg Beer Rotation and Quality Learn all about rotating draft beer. Distributor Quality Audits Learn what to expect from a distributor quality audit.