I used to be a shaker on the back of garbage truck and our route was Brockton, ma. , I could drink 3 gal's of h2o on a summer day and not pee once, then I got promoted to driver / shaker could drink 5 gal of h2o and not pee , if anyone has done this job on city trash running behind a truck gotto give ya the thumbs up, I loved that job got in great shape
ohhhhh didn't mean to Hijack the thread
later LINK SR.

ps I also drove a 1967 B-87 MACK tractor w/a trailer dump no A/C got to be over 120 degrees in the cab seat welded to floor so I could fit lost over 25 lbs that summer oh baby that was one bad a$$ truck HAMMA DOWN MUTHER TRUCKER