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 the practice of managing the spread of information between an individual or an organization (such as a business, government agency, or a nonprofit organization) and the public.ublic relations professionals typically work for PR and marketing firms, businesses and companies, government, government agencies and public officials as PIOs and nongovernmental organizations and nonprofit organizations.