I asked the mechanic to check the 'oil'. [=to make sure that there was enough oil to make the car engine run smoothly]
The dressing is made with 'oil', vinegar, and a pinch of herbs.
He works mostly 'in oils'. [=he mostly uses oil paints]
(..) I keep my promises. You've all heard the allegation that Alexander Kirk is financing terrorism. Sir, can you be more specific? He's purchasing oil from radical jihadists, committing a federal crime by supporting the very organizations that export terror to America. I will not let one drop (..)2016 TvShow: The Blacklist Title: Alexander Kirk (No. 14): Conclusion Season: 3 Episode 23
(..) to investigate allegations that energy billionaire Alexander Kirk has been financing terrorism. Kirk amassed his wealth in the 's through mining and oil operations in Russia, but fell out of favor with Moscow ofter a series of politically motivated raids on Kirk's companies by Russian authorities. (..)2016 TvShow: The Blacklist Title: Alexander Kirk (No. 14): Conclusion Season: 3 Episode 23