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 18 below).
Fig. 18
f)
Select the two small coals and position to fill the gaps at each end of
the third row of coals. (See figure 19 below).
Fig. 19
22
Oblong
Square
Oblong
Small
Small
