There are four buildings, labeled A, B, C, and Central Services.

After blasting numerous enemies, the player will finally be able to go to the planet labeled "B" on the grid.

Two variants, labelled A and B were drawn.

The columns labeled 'B' are the transition metals, and their valence-shell configurations involve d orbitals.

It comes in three types, labelled A, B, and a non-pathogenic type C distinguished by the range of toxins they produce.

Three disks labeled Al, B, and A2 contained sections of the torus.

Traditional classifications used are labeled A, B, C and D from largest to smallest.

In the revolver which is labelled B, the firing - pin is definitely biased towards the left.

Two pots, labelled A and B, were visibly poor growers compared with the other three.

The second feedback loop on the left is negative reinforcement (or "balancing" and hence labeled B).