Types of boards in a lumber cuts and their natural movements

Name at least 3 common rough sawn board thicknesses?

Names the different types of sawn boards:

a

b

c

Rift sawn board

Flat sawn or plain sawn board

Quarter sawn board

Drawn the natural deformation of a flat sawn board:

Match the names to the pictures:

• Bowing

• 
• Cupping

• 
• Springing or Bend

• 
• Winding orTwist

• 

Drawn the natural deformation of a quarter sawn board:

Name two methods to season timber and they way they work?

Drawn the natural deformation of a sawn board with pith:

Which tool can be used to test the humidity of a board?

And how humid should a board be for internal use?