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.
3. an abundant source; store: a mine of information. 4. an explosive device floating on or moored just below the surface of the water, used for blowing up an enemy ship that strikes it or passes close by it. 5. a similar device used on land against personnel or vehicles; land mine.