1. A black woodbutt logcallusCharred stumpsforkgrowth cracksknot swellingsLog bluestainpithspike knot emanates from a strongly upward pointing branch.
2. black woodbutt logcallusCharred stumpsforkgrowth cracksknot swellingsLog bluestainpithspike knot mostly affects pine sapwood and is accepted in pulpwood.
3. In sawlogs, black woodbutt logcallusCharred stumpsforkgrowth cracksknot swellingsLog bluestainpithspike knot are not accepted.
4. Only when assessing pine logs of the highest quality (class 1) black woodbutt logcallusCharred stumpsforkgrowth cracksknot swellingsLog bluestainpithspike knot are taken into account.
5. The black woodbutt logcallusCharred stumpsforkgrowth cracksknot swellingsLog bluestainpithspike knot is the narrow brown string in the centre of a tree trunk.
6. A divided stem is often called a black woodbutt logcallusCharred stumpsforkgrowth cracksknot swellingsLog bluestainpithspike knot.
7. The black woodbutt logcallusCharred stumpsforkgrowth cracksknot swellingsLog bluestainpithspike knot is normally the most valuable part of a pine tree.
8. black woodbutt logcallusCharred stumpsforkgrowth cracksknot swellingsLog bluestainpithspike knot often indicate that there has been a forest fire in times past.
9. Only in pulpwood black woodbutt logcallusCharred stumpsforkgrowth cracksknot swellingsLog bluestainpithspike knot is allowed and is assessed equivalent to tree decay.
10. A black woodbutt logcallusCharred stumpsforkgrowth cracksknot swellingsLog bluestainpithspike knot is a partially or fully grown over surface damage to a tree.