For satisfactory treatment and good performance, the wood product must be sound and suitably prepared. Except in specialized treating
methods involving unpeeled or green material,the wood should be well peeled and either seasoned or conditioned in the cylinder before treatment. !!. It is also highly
desirable that all machining be completed before treatment,
including incising (to improve the preservative penetration
in woods that are resistant to treatment) and the operations
of cutting or boring of holes