System of pipes, baths and toilets in buildings. To measure the depth of something.

Complex; difficult to understand. undefined.

continuing or valid to final destination. From the beginning of something until the end. Over, in, across an entire thing or place.

Act or process of growing bigger or more advanced.

arrangement of and relations between parts or elements of something complex. The ways some things are built, arranged or organized. To make or build with an organized framework.

having been completed or ended. To use or consume all of something.

To carry out an action well or successfully.

formal assessment of something with intention of instituting change if necessary. Opinions, as in a paper, about movies, books, or plays. assess something formally with intention of instituting change if necessary.

keep safe from harm or injury.

way in which parts of something are arranged. Plans or designs of some things, e.g. of book page.

part of tree growing from trunk. Local offices or stores of a main company. To separate away from the main part.

health, happiness, and fortunes of person or group.

formal request.

A task given to someone to gain or achieve.

activity natural to or purpose of person or thing. What some things are intended to be used for; purpose. To be operating, working or achieving its purpose.