Whatever the cause, the net result is a decrease in the strength properties of solid wood when sawn with most properties declining proportionally to the angle of the grain at the edge of the cut surface.
(the net result; is; a decrease in the strength properties of solid wood when sawn with most properties) (most properties; declining proportionally; to the angle of the grain at the edge of the cut surface)
the net result most properties
is declining proportionally
a decrease in the strength properties of solid wood when sawn with most properties
to the angle of the grain at the edge of the cut surface