SELLING LUMBER 



453 



A standard pitch streak shall be equivalent to not over one- 

 sixth the width and one-third of the length of the piece it is in. 



WANE. 



20. Wane is bark, or the lack of wood, from any cause, on 

 the edge. 



PITH KNOT. 



SAP. 



21. Bright Sap shall not be considered a defect in any of 

 the grades provided for and described in these rules, except 

 where stipulated. 



