CLASS brd
CLASS brd$a Type
FIELD a WORLD_SURFACE_WG Lbrd$a;
FIELD b OCEAN_FLOOR_WG Lbrd$a;
FIELD c MOTION_BLOCKING Lbrd$a;
FIELD d MOTION_BLOCKING_NO_LEAVES Lbrd$a;
FIELD e OCEAN_FLOOR Lbrd$a;
FIELD f WORLD_SURFACE Lbrd$a;