When you have closed off a section to be cleaned, MOVING CHAIRS OUT OF THE WAY TO SIT THERE when you have just walked past SEVERAL EMPTY SEATS.
Rage.
--
http://sphotos.ak.fbcdn.net/hphotos-ak-ash1/hs462.ash1/25378_426337043573_299696888573_5469519_6175407_n.jpg