Wear loose clothing

Secure the work piece rigidly before cutting

Hold sharpening tools in hand loosely

Avoid safety goggles

Endogenous tree

Conifers tree

Exogenous tree

Narrow leaves tree

Soft wood

Hard wood

True wood

Duramen wood

Pith

Bark

Annular ring

Medullary rays

Sap wood

Soft wood

Heart wood

Light wood