We've got a dishwasher in each office, and the office manager/reception tidy up. Most people put their own plates away. However like with litter and graffiti i

We've got a dishwasher in each office, and the office manager/reception tidy up. Most people put their own plates away. However like with litter and graffiti in the streets, if people let even a small amount of cups & plates build up - then everyone seems to think it's time to dump their stuff in the sink too.