Describe the properties of these types of wood: a:.oak; b: beech; c: teak; d: pine What other requirements should a parquet floor varnish fulfil apart from those listed in the profile of requirements? Which OH-functional polymers are suitable for the formulation? Give reasons. Which additives should be used in the formulation of the parquet floor varnish? What particular factors should be taken into account when preparing the hardener? Name some ...