Cellular Phone Activity Analyzer is a useful counter-surveillance tool in settings both commercial and political where the cellular phone is used as a covert listening device or 'RAT phone'. It is useful to counter examination fraud in educational establishments and civil aviation in-flight safety.
Cellular Activity Detector & Locator is intended to detect illegal or subversive cellular telephone conversations in prisons, military & governmental installations, court houses and airplanes. Cellular Activity Detectors are installed in strategic places and connected by wireless LAN to the PC in the central monitoring station or to a pocket PALM monitor & locator.
Cement is a binder, a substance that sets and hardens independently and binds other materials together. Cements used in construction are characterized as hydraulic or non-hydraulic. The most important use of cement is the production of mortar and concrete, the bonding of natural or artificial aggregates to form a strong building material, which is durable in the face of normal environmental effects.
Cement and Concrete Testing is used by training technicians. It focuses on the correct test procedures for physical tests of hydraulic cement and field & laboratory tests of concrete. It provides background technicians need to understand and perform the tests competently.