Polar animals are either covered in winter coats of fur â which traps warm air close to the body â or else large quantities of fat, sometimes inches thick. Fat does not transfer heat very well, so it keeps it inside the body. Humans, with naked skin and relatively little fat, just arenât built for these environments.
Essentially, TRu is an expression of contentment, satisfaction, goodness, approval, and/or of course, agreement. It is generally enunciated in a deep, low voice, with a slightly increasing pitch, and the vowel sound of u is elongated without the diphthong.
A remote terminal unit is a microprocessor-controlled electronic device that interfaces objects in the physical world to a distributed control system or SCADA system by transmitting telemetry data to a master system, and by using messages from the master supervisory system to control connected objects. Other terms that may be used for RTU is remote telemetry unit or remote telecontrol unit.