American oak commentary — conflicting char generalizations

Use for internal evidence literacy. Char duration and outcome require cooperage-specific context.

The compilation first presents chars 2 and 3 as typical, then describes char 2 as relatively rare and chars 3 and 4 as most common.

Review-rendered page 2, Level 3 char

Review-rendered page 1, Charring The Barrels

Verified as conflicting source statements against all four rendered pages, not verified industry prevalence.