Expect drunks and all kinds of people who you would very much like to avoid at any time. Work is strenous, both mentally (bad customers + it is dull) and phisically (everything else). It is very fast paced. Do not expect a pat on the back. Things need to get done. You really need to pay atention about your working hours-did you chip in correctly, is all overtime there, is everything ok with hours after a sick leave.. Working in shifts. You know your schedule max 2 weeks in advance.