Quote Originally Posted by old_toolmaker View Post
Appears to be a lot of manual labor like most operations during that era. Little to no automation.
Being 1945, some of those will be discharged servicepeople. Just prior to this, sufficient production to supply the entire free world. Compared with more recent times, quality control was in hand, at the production level, not surplus levels of management. The work ethic and experience fueled the economy decades beyond, also creating a few new companies. All that equates into a portion of job satisfaction.