by Richard Byrnes Jul 13, 2017 Comments (0) AIChE Topics: Humor Process Safety Competency Process Safety Culture Share This Post: 7/9 in the series Boil's Laws – The Return!Enjoy this seventh comic in the Boil's Laws comic strip series, which first ran here in 2010. This comic series is devoted to the profession of chemical engineering. You can read more about the inspiration for the series in the first installment here. Click here or on the comic below to see it full size. If you missed the earlier installments, see the entire series here.