SECTION THREE
I
•
Place Three Large Pebbles on top of the Rear
Matrix as shown
,
so that they are pushed tightly
against the rear of the firebox. Position the Two
Small Pebbles so that they sit on the slopping
sides of the Rear Matrix and the top edge of the
Half Pebbles as shown
.
•
Place four large Pebbles
on top of the Rear
Matrix as shown
,
position them in the spaces
between the fron
t
row of Pebbles.
•
Place four large Pebbles on top the previous
row of Pebbles as shown.
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