If the tank. is too small for the quantity of flow and the settling rate of. the particles, too many particles will be carried out the. effluent of the clarifier. The relationship of detention time. to settling rate of the particles is important.
Definition. Type of promotion that relies on public relations effect of a news story carried usually free by mass media. The main objective of publicity is not sales promotion, but creation of an image through editorial or ' independent source ' commentary. While the publicist can control the content of the story, he or she may not have any control over its placement or interpretation by the media.
Public relations (PR) is about managing reputation. A career in PR involves gaining understanding and support for clients, as well as trying to influence opinion and behaviour. PR officers use all forms of media and communication to build, maintain and manage the reputation of their clients.