1.Make the test piece shown on page 2, using the timber which has been planed to the following sizes (all dimensions are in millimetres):
one piece hardwood ― 220 x 50 x 30;
one piece hardwood ― 225 x 50 x 30;
one piece hardwood ― 225 x 40 x 30;
one piece hardwood ― 130 x 35 x 20.