In Europe, oak was widely used and then grown for its wood, cork, bark and acorns (formerly used for flour, but mainly for feeding pigs ). Tadpole oaks sometimes found in hedgerows bocagères or isolated oak in a field or a field.
Oaks are hardwood trees . The oak wood has a density of between 0.75 and 0.85 g / cm 3 . It is a very tough and hard material. Its resistance to insects and fungi (natural durability) is very important because of its high tannin content . The large radial oak planks have been prized since the Middle Ages and are used for interior woodwork of prestigious buildings such as the House of Commons in England in London and in the construction of fine carpentry. The wood of the oak tree