<P> Ammonia fuming is a traditional process for darkening and enriching the color of white oak . Ammonia fumes react with the natural tannins in the wood and cause it to change colours . The resulting product is known as "fumed oak". </P> <P> There are three major types of finish: </P> <Ul> <Li> Evaporative </Li> <Li> Reactive </Li> <Li> Coalescing </Li> </Ul> <P> Wax is an evaporative finish because it is dissolved in turpentine or petroleum distillates to form a soft paste . After these distillates evaporate, a wax residue is left over . </P>

Process of applying varnish and polish on wood