Valve oil is a lubricant for valves of brass instruments. It is typically mostly mineral oil with a small amount of other ingredients.
Read more about Valve Oil: Use of Valve Oil, Types of Valve Oil
Famous quotes containing the word oil:
“As a rule they will refuse even to sample a foreign dish, they regard such things as garlic and olive oil with disgust, life is unliveable to them unless they have tea and puddings.”
—George Orwell (1903–1950)