AJ and Harrison discuss various topics related to their machining experiences. They touch upon issues such as delays in machine deliveries, challenges with cold weather affecting shop temperatures, and the intricacies of machining brass parts. The conversation also delves into the nuances of CAM programming, including the use of rest machining techniques and the importance of manually adjusting settings for optimal tool performance. The hosts share anecdotes about errors in toolpath configurations and explore solutions to achieve better results in their machining processes. Throughout the discussion, they provide insights into their daily workflows, sharing tips and tricks to overcome common machining challenges.