they are available in all countries thanks to the material. But wood is most imported from the northern states where the industry is the largest and has the largest source. But even wood is getting us even if it's not so good.
Nowadays wooden floors have been used extensively in children's rooms and bedrooms. In the children's rooms the wooden floors are finished with a carpet so that the floor is not too dark or too light. It has a cleaning advantage. Dirt can suck so sweep so wipe out. There are no limits.
The heaviest parts on wood products or on wooden structures are joints. There is a wide range of them and they must be accurate so that the entire structure is held together. Mainly joints in roof trusses are very difficult. Wood floors are usually joined to a tongue and groove.