Seen on a Sydney Ferry, one wonders whether you truly need to explain the function of a door knob, or if you do why you’d use use a sign for a door handle… Perhaps this is just a wry nautical jape?
With a Bachelor’s in Mechanical Engineering and a Master’s in Systems Engineering, Matthew Squair is a principal consultant with Jacobs Australia. His professional practice is the assurance of safety, software and cyber-security, and he writes, teaches and consults on these subjects. He can be contacted at mattsquair@gmail.com