I am kind of an artist and I like to use acrylics and watercolor. I would only guess that she would have used a fabric canvas. I don't know if this right but this is what I would have if I had the money to do so.
Answer: Trumpet apparently
Explanation:
My best guess would be that batch production is a smaller amount of product produced for testing. mass production would be a large quantity of the product made for selling. hope this helps
