Dingoes, wolves and jackals also all eat mice in order to stay alive. Birds â Flying predators are among mice most fierce hunters. Swooping down on the fields in which mice roam, almost every type of birds that is a carnivore finds mice among the top of its dietary needs. Even domesticated hawks and birds of prey eat frozen mice and feeder mice.
Broadly, there are two types of level measurement, continuous level measurement and point level measurement. In continuous level measurement, the actual level of the media is known at all times from a level transmitter or transducer. Level transmitters most often provide an output of a linear 4 to 20 mA signal proportional to the media height.
E-Zine. 1  The level of material in a container can be defined as the height at which one material stops and another starts. 2  However, not all measurements are this straightforward. 3  Units of level measurement are usually in percent.  One common practice is to locate 0% and 100% levels at the tangent lines of the vessel. The level in the dishes are outside of the measurement range. In other words, even though the level measurement is 0%, the dish can still be full (and hence, the tank not empty).