Glossary

In a water distribution system, the normal operating pressure at any particular location in the system.

The temperature of the surrounding air.

1. A small niche in underground Roman or Greek tombs, forming a receptacle for a cinerary urn. 2. In the

Having the vaulted shape of a beehive.

In ancient Rome, a bath constructed in the floor of a room, the upper part of it projecting above the

Abbr. for asbestos mill-cut board