"Anytime there are tremendous masses of people, there's a greater likelihood that something will go wrong."

The freighter's tow was fully loaded, and had a tremendous mass.

Even with total mass conversion we have to carry a tremendous mass of fuel.

Yes, but it's accounted for by the tremendous mass of soil particles being carried.

Jerryberry saw a tremendous white mass, a flattened dome, very regular.

In seconds it was a tremendous mass of cosmium.

To get such a tremendous mass to sink gradually and evenly was difficult.

Now, as the tremendous half-seen mass approached Kosmograd, something changed.

Clearly the engineers found it necessary to balance such tremendous masses of water.

The force of two such tremendous masses as the dragons had been enough to level much of the timber in the immediate area.