The 40-lb. demolition cratering
charge has two priming tunnels
located midway between the ends.
One tunnel is for the detonating
cord, and the other is the cap well.
Damage severe enough to prevent
these tunnels from carrying out their
functions is MAJOR.
15-LB. DEMOLITION SHAPED CHARGE
The explosive is in a moisture-
resistant fiber container. A glass
cone is used as a cavity liner.
If the glass cone is cracked or
broken, the defect is MAJOR.