<human>:  What are the best varnishes to use to refinish an old kitchen table?
<bot>: The best varnishes to use to refinish an old kitchen table are oil-based polyurethane, water-based polyurethane, and Danish oil. These finishes are all durable, scratch
 • and stain-resistant, and have excellent adhesion properties. Additionally, they all produce a clear, professional-looking finish.