each year and supply up to 50 percent of the produced when it encounters market. 52 year old shivani montanus. i've been working in brooklyn fish for the last 22 years like most women in the community who work day typically starts with getting the scum off the water surface and removing weeds from benteke to ensure the pond stay clean and the fish healthy can both the livelihoods of local people and the city's rest want to manage depend on the help cost this lush bionet block. regular testing of the breached water at these pumping stations confirms that sewage has already low levels of heavy metals and is well suited for organic creep mint city sewage i mean a simple sewage is 99 percent water and one percent fecal matter which contains fecal bacteria called. or equally it is this equal area that needs to be treated which is a harmful character and which can cause him to issues but it is the best to treat this people like through the fish growing process in the fish pond and this algae bacteria symbiosis is run by the bacteria people like and the exchange and outside an oxygen on both sides a