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2.4.2. Custom 18 Plus Example Coal Layouts
Aeration Tubes
Small Square
Coals
Medium Square
Coals
Figure 21 – First Layer
Random Coals
Figure 22 – Second Layer
Random Coals
Figure 23 – Third Layer
2.4.3. Custom 18 Plus/B and Custom 18 Plus/S Example Coal Layouts
(up to 9.5” deep)
Medium Square
Coals
Aeration Tubes
Small Square
Coals
Figure 24 – First Layer
Random Coals
Figure 25 – Second Layer
Random Coals
Figure 26 – Third Layer
