The reactor is a vessel with an agitator that allow the mixing of chemical in contained environment. The reactor is often pressurized and work in a range of temperatures. The second attribute may be the split tongue observed inside most of the bursts as opposed to the usual one tongue. https://codyegedb.wikienlightenment.com/7213626/the_smart_trick_of_standard_glass_lined_reactor_that_no_one_is_discussing