An example of a U.S. classified document; page 13 of a United States National Security Agency report on the USS Liberty incident, partially declassified and released to the public in July 2003. The original overall classification of the page, Top Secret code word UMBRA, is shown at top and bottom.
The Data Analysis Expressions (DAX) language is a formula language that allows users to define custom calculations in calculated columns and measures. DAX includes some of the functions that are used in Excel formulas, and additional functions that are designed to work with relational data and perform dynamic aggregation.
The BIO-C control panel is designed for use on aerobic treatment systems with an air pump and a submersible pump. This control panel includes a 24 hour timer for the submersible pump and gives alarm for high water.hese panels are designed to control and monitor all of the functions of an aerobic system. These functions include powering the air pump and water pump, notifying of air pump failure, and notifying of water pump failure. Some panels also have timers made to control the water pump.