Firing people after the probation period against their will requires a good reason to do so, but on the first day of your employment, the employer wonÂ´t be sure if he really wants to hire you at all. So, during the probation periond, there is a shortcut to get rid of you.
Aerated lagoon. An aerated lagoon or aerated basin is a holding and/or treatment pond provided with artificial aeration to promote the biological oxidation of wastewaters. There are many other biological processes for treatment of wastewaters, for example activated sludge, trickling filters, rotating biological contactors and biofilters.
XIII-Water-C-Sewage Treatment-1 SEWAGE TREATMENT Sewage is a mixture of domestic and industrial wastes. It is more than 99% water, but the remainder contains some ions, suspended solids and harmful bacteria that must be removed before the water is released into the sea.III-Water-C-Sewage Treatment-1 SEWAGE TREATMENT Sewage is a mixture of domestic and industrial wastes. It is more than 99% water, but the remainder contains some ions, suspended solids and harmful bacteria that must be removed before the water is released into the sea.