e)
Select four of the medium coals and arrange along the rear of the
fuelbed, using the recesses in the rear of the fuelbed as a guide for
placement. (See fig. 17 below)
Fig. 17
f)
Select three of the medium sized coals and arrange along the fuelbed
behind the second row of large coals, as shown below in Fig. 18
Fig. 18
22