Diseases and Defects (Junior Cert Wood Technology): Flashcards

Imperfections made by humans post-harvest, not natural

After harvest during processing and drying

Board sides bend up from uneven drying across width

Board bends from uneven drying along length

Artificial: human actions; Natural: tree growth

Uneven shrinkage across board width during drying

Different drying speeds along board length

Stable environment for even drying, track moisture

Correct stacking & ventilation to stop moisture changes

Knots and cracks from tree growth

Warping may weaken timber, limiting its use

Artists use flaws to enhance designs and add character