Nails fall from a vibrating platform after being galvanized, covered with a protective zinc coating, at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Nails travel on a magnetic conveyor belt as they are manufactured at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Nails sit in a bin after being run through a thread roller machine at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. The spiral cut on the nail increases its strength. Photographer: Daniel Acker/Bloomberg
Stainless steel ring shank nails are held for a photograph at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
A bin of nails sit under a nail machine at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Nails travel along a vibrating platform as they are manufactured at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Nails fall from a magnetic conveyor belt after being galvanized, covered with a protective zinc coating, at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Nails are fed into a thread roller machine at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Nails are fed into a high speed nail machine as they are manufactured at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Steel rod is fed from a spool into a high speed nail machine at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Coils of pickled steel rod sit near baths of sulfuric acid, used to clean the steel rod prior to nail manufacturing at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Coils of pickled steel rod sit on the floor of the warehouse at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Steve Pearson loads steel rod onto a spool at the end of a drawing machine, used to change the diameter of the rod prior to nail manufacturing, at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Bob Lance moves a spool of pickled steel rod as he sets up a nail machine at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Bob Lance sets up a nail machine at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Bob Lance performs a quality control check on a nail as he monitors a nail machine at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
A box of nails travel along a conveyor belt as they are packaged at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Boxes of nails sit near a packaging machine at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Boxes of nails sit in a warehouse at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. Photographer: Daniel Acker/Bloomberg
Zinc ingots sit in the warehouse at Maze Nails in Peru, Illinois, U.S., on Wednesday, Sept. 21, 2011. The zinc is used to coat galvanized nails. Photographer: Daniel Acker/Bloomberg
