c)
Pick pebbles A to E and arrange along the the front rail, ensuring that
they are evenly spaced. Use the recess's in the front ceramic rail as a
guide for placement. (See fig. 25 below)
Fig. 25
A
d)
Select pebbles F to I and arrange behind the front row of pebbles,
ensuring that flame paths as indicated below are not interupted.
.
(See fig. 26 below)
Fig. 26
F
B
C
D
H
I
G
29
E