What is the meaning of the term 'acebolladura' in relation to wooden structures with tile roofs? a. Separation of the wood between two consecutiv...

What is the meaning of the term 'acebolladura' in relation to wooden structures with tile roofs?


a. Separation of the wood between two consecutive rings.
b. Deformation that a piece of wood can experience in the direction of its longitudinal or transverse axes or both at the same time.
c. Circular section opening, mainly caused by the detachment of a knot.
d. Separation of the constituent elements of the wood whose development does not reach two opposite or adjacent surfaces of the piece.