It all began with a movement to collect empty beverage cans, organized by a few elderly citizens.
It is used in hundreds of products, from beverage cans to airplanes.
Overcapacity in beverage cans went from 5 percent to 10 percent without any new factories coming on line.
But steel used for beverage cans will be exempted from the increase.
Most beverage cans, Mr. Church said, are now made with two pieces of metal.
For example, the plastic used to hold beverage cans together can get wrapped around animals' necks and cause them to suffocate as they grow.
Over 10 days, she collects more than 2,000 beverage cans; they will earn her $30 from a scrap dealer.
In the past, this process was used in the manufacture of beverage cans, but now its uses are more limited.
Ball is the largest producer of recyclable beverage cans in the world.
Six officers suffered minor injuries when they were hit by thrown beverage cans.