There are many different kinds of sewage treatment plants which vary in the process by which they treat wastewater. Generally, they can be classified into the following types of system: 1  Activated sludge plant (ASP). 2  Rotating disc system. 3  Submerged aerated filter (SAF). 4  Suspended Media Filters (SMF).
In certain species of sea life, male pregnancy is common. The male incubates and births live young instead of the female. Human males are not able to do so, and medical risks of a male pregnancy are extreme. Transgender individuals can become pregnant if reproductive organs are left intact. A common phenomenon is a sympathetic pregnancy, where a man exhibits all the symptoms of pregnancy along with his expectant partner.
(Childbearing; Planting) In a dream, a pregnancy indicates womanâs success, diligence and assiduity in pursuing her goals. In a dream, pregnancy also means receiving recognition, respect and prosperity. If a man sees himself pregnant in a dream, it means that he suffers from heaviness in his life, or it could represent oneâs fear of exposing his problems in public. In general, pregnancy in a dream represents material gains.