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]
(..) You come here and kiss your mother before you go. Come on, Mom. Make it fast. I'll miss my bus. DAVID: See you later, Pop. Time to change that oil. LINDA: Marty. I'm not your answering service. While you were outside pouting over the car... ...Jennifer Parker called you twice. (..)1985 Back to the Future