Does Bob Ross Use acrylic or oil?

Related questions

1. What is a wash in oil painting?
2. Can you use mineral spirits for oil painting?
3. What is oiling in oil painting?
4. What does adding glaze do to paint?
5. Is oil painting easier than acrylic?
6. What is Scumbling painting technique?
7. Can you paint over old oil paintings?
8. Is boiled linseed oil good for oil painting?
9. How do you use linseed oil for oil painting?
10. Which canvas is best for oil painting?

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5. #acrylic
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7. #technique
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10. #careful