My grandfather swears by codliver oil for keeping his joints healthy.

Many coastal towns depend on the jobs created by nearby oil refineries.

The duck carefully spread preen oil over its feathers to maintain waterproofing.

The antique ledger recorded that oil of petre was exported in barrels to the coastal towns.

The chemist carefully analyzed a sample of petre oil to understand its composition.

Coastal towns suffered economically after a series of oil spills last summer.

The mechanic pointed to the oil spots on the garage floor and frowned.

Before returning the machinery to service, the engineers ran several oil tests to check for contamination and wear.

Field biologists observed oil beetles congregating on clover blooms in the early morning.

She cleaned her brushes thoroughly after using oil paints to avoid muddy colors.