نتائج البحث

...ledge based on the [[scientific method]], as well as to the organized body of [[knowledge]] humans have gained by such [[research]]. The following outline is provided as an overview of and topical guide to science:

* Vacuator Vacuum-operated system for removal of .oating solids and scum by ...evice utilizing a cloth-covered cylindrical drum slowly rotating in a tank of sludge while subject to an internal vacuum. Sludge is drawn to the .lter cl