Processing Plant for Crude Oil
This page is the CodyCross answer for the clue below from Airport, Group 458, Puzzle 5 (Domestic Flights).
Question is: Processing Plant for Crude Oil
and the answer is: REFINERY
Word Meaning:
REFINERY — A building, or a mass of machinery, used to produce refined products such as sugar, oil, or metals.
Definitions from Wiktionary.