a composite board having a core made up of strips of wood each over 9/32in (0.71 cm) but not more than 1in (2.54 cm) wide, laid separately or glued or otherwise jointed together to form a slab, to each side of which is glued one or more outer veneers with the direction of the grain of the core strips running at right angles to that of the adjacent veneers, a plywood board in which veneer layers used in the core are replaced by blocks of wood, the direction of grain of the blocks running at right angles to that of the adjacent veneer