5.5.5
Select three of the large coals and arrange along the rear of the
fuelbed, using the ribs in the rear of the fuelbed as a guide for
placement. (See fig. 10 below)
Fig. 10
5.5.6
Select the two small coals and position to fill the gaps at each end of
the third row of coals, as shown. below in Fig. 11
Fig. 11
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