The beginning of the amazing events at Krakatoa in 1883 date to May 20 when there were initial rumblings and venting from the volcano, which had been dormant for about 200 years.
A refinery margin is the revenue associated with refining petroleum, expressed as a value per volume (e.g. $/L), net of the cost of the crude oil input. The simplest refining
refinery. noun reÂ·finÂ·ery \ri-ËfÄ«-nÉ-rÄ, -ËfÄ«n-rÄ\. Tweet. : a place where the unwanted substances in something (such as oil or sugar) are removed: a place where something is refined.ull Definition of REFINERY. : a building and equipment for refining or processing (as oil or sugar). See refinery defined for English-language learners. See refinery defined for kids.