Select the size of the brush according to the size of the wood
Check the tip of the brush if the tip is not flat, you can use scissors to flatten the tip of the brush
Make sure the wood surface is completely dry
Do the painting with a comfortable hand position
Then apply the paint to the wood in the direction of the wood grain so that the results are even
In the painting process, keep stirring the paint so it doesn't settle
Wait for the paint to dry completely then sand it until it is smooth
Repaint until you find the perfect result.
Thinner B is the right thinner for wood paint.
Hope this article helps!