e)
Select two of the oblong coals and one of the square coals and arrange
along the rear of the fuelbed, using the ribs in the rear of the fuelbed as
a guide for placement. (See figure 16 below)
Fig. 16
f)
Select two small coals and position to fill the gaps at each end of the
third row of coals. (See figure 17 below).
Fig. 17
20
Oblong
Square
Oblong
Small
Small
