I first came across an amusing freight/passenger comparison when, about 47 years ago, as a young marine engineer officer on steam turbine banana boats, I heard the Chief Engineer advise one of our passengers that the really important payload reposed below deck - in bunches - at 54deg F
For those few who object to the term, SLF, trust me, most of us are in no doubt that we work(ed) in a service industry and from whence comes our income
