In the 128th episode of "Taps and Patience," AJ and Harrison discuss their recent challenges in machining, particularly AJ's struggles with warping large parts and Harrison's updates on family matters and new projects, including the use of a CMM for medical parts. They dive into details about their respective experiences with different machining tools and the importance of safety measures in their shops, such as eyewash stations and fire extinguisher placement. The conversation touches on the complexities of utilizing CAD software like Fusion in ITAR-compliant scenarios and their perspectives on various CNC machines, notably the Doosan and Haas, reflecting on performance and reliability within their operations.