1.   At this point, the outer edge of the box will simply be resting on the main beam.

2.   Between the main beams, lengths of steel Decking are laid side by side, each hooking into its neighbor.

3.   At one curve in the road the driver stopped and flashed his main beams.

4.   Officers say the one causing most concern contains just a thousandth as much power as the main beam.

5.   The measuring is a meticulous procedure that includes the circumferences of the main beams and their spread, the length of the points, and symmetry.

6.   Then again, replacing the main beam in your house can cost significantly more.

7.   They accepted that a new main beam would be needed to level the first floor, but thought most of the work would be only cosmetic.

8.   At lunchtime Friday, engineers risked their lives, dangling from a giant crane underneath the precarious roof to solder up one of the main beams.