11.   A guest book sits in a metal box, replete with signatures of visitors from around the world.

12.   A metal trapdoor opens into a room containing gray metal boxes that hold radio receiver-transmitters and circuit breakers.

13.   A Six Sigma team figured out that by perforating the metal box that holds the boards, they could dissipate the heat.

14.   But the five justices of the US Supreme Court who elevated George W. Bush to the presidency left the evidence locked in metal boxes.

15.   But she never did tell her, except by leaving a document in a metal box as she was dying.

16.   But until now the humble metal box had held its own against newcomers.

17.   Called, appropriately enough, the Sit and Reach Flexibility Test, all I had to do was sit on the floor with my feet against a metal box.

18.   Despite the stealthlike nature, the faux saguaro is surrounded by two big metal boxes.

19.   Down on the track, dog grooms dressed in navy blue jumpsuits walk the greyhounds to eight metal starting boxes.

20.   Electrical outlets, holiday decorations, plants, packaging materials and metal box fasteners are potential dangers to children.