Natural & Felling Defects in TImber Crossword

Are formed when the branches of the tress are cut off or fall off from the trunk.
Branches which are still growing at the time of felling will produce what type of knots?
What Is a result from a branch which has stopped growing before the tree has being felled
Trees which are exposed to high winds can develop small cavities.
What occurs when fungus attacks and rots the pith of the heartwood?
If a tree twists while growing it can cause what in the timber.
These are deep, wide crakes which radiate out from the centre of the log, generally in line with the rays.
This shake is caused by harsh weather conditions
This is a split along the outside of the wood that is caused by rapid drying of the log before conversion
A what shake runs along a portion of the annual ring?
A what shake runs the whole way around the annual ring?
What is caused by severe shock to the tree, generally during felling ?