A busy backhoe loader describes all the items it hauls from a lot and all the fun it has getting dirty while doing so.

"We can thank modern plumbing and sewage systems for the comfort and convenience of having water when and where we want it. Most importantly, we can thank them for indoor toilets. Clean, flowing water is something many of us take for granted until a pipe bursts, a drain clogs, or a storm drain overflows. This book helps readers learn how valuable plumbers and sewage workers are to our daily lives, even though we often don't see the work they do. Full-color...

Photographs and simple text describe the work done by sanitation workers.