A Nutrition Consultant in the Houston, TX Area area reported making $34,000 per year
Water level (device) A water level is a device used for matching elevations of locations that are too far apart for a spirit level to span. The simplest water level is a section of clear tubing, partially filled with water. Water is easily procured for use, and easily discarded after use.
1. (US) A system of pipes inside a building for conducting water for fire hose attachments; may be pressurized with water (wet) or remain dry until activated in an emergency; supplied either from a fire hydrant attachment or from a fire engine 's pump.