Indeed, the structure's main mass smashed into the river as he came up.

He was looking for the main mass of resistance that would be the recent trauma.

He pulled, and an almost weight- less chunk of it came away from the main mass.

Got the main mass of it and as much more as I could.

It was a mystery worth mentioning to the main mass.

Something the main mass ought to know about at once.

While the main mass of each star will continue moving as they did before the collision.

It was in a relatively small portion of the forest, set off from the main mass by a river.

Pieces lay around him, and the main mass now began mere feet away.

The main mass must have been moving at close to a metre a second.