They are instantly dry and they are much more difficult to exactly cover the surface. For applying varnish to the surface, you can use a brush, swab, roller. Varnish before using better slightly warmed. The number of layers depends on how much gloss you want. Applied layer of paint should be thin, otherwise it does not dries out the inside will remain soft, and your furniture is not able to withstand the position of mechanical load, the surface becomes coated with scratches and dents and will lose its presentation. If you apply the paint to "clean" a tree without a primer gouache, please note that the first varnishing layer will be absorbed completely. So, you will need to cover the surface with varnish at least twice, preferably three.
If you think that after the coating surface was not smooth, gently sand the it. Chip Erase dry (but not in any case not wet) cloth and finished again with liquid paint, diluted with solvent. And, finally, for fans of exotica – 'Watercolor on varnish ' – this method is used in the xiv century for the tree. Well-prepared wood tint stains and furniture blown nitro-lacquer. By drying thereof, the entire surface is rubbed usual signs of garlic. On such a surface can be immediately written as watercolor and oil. After drying, the figure is put a layer of acrylic lacquer, pistachio, and in the end – nitrocellulose lacquer. For those who prefer butter Preparation of wood to start a tree carefully polished.