"If there was any tampering, it appears that it would have had to happen at the packaging plant."

Only graduates of such a school can legally supervise a food processing and packaging plant.

"It's cheaper, yeah," said Lisa Jackson, 42, a worker in the packaging plant.

Davis required they use Activision's packaging plant instead of their own in-house one, raising the cost of each package from $0.45 to over $0.90.

It is an integrated producer, with packaging plants sourcing the major part of their raw material requirements from the company's own paper mills.

Green Mama has an in-house furniture maker, clothing producer and a packaging plant to ensure supplies.

We don't insist that they go to this packaging plant.

In Oklahoma she defied the police and took her truck across a flooded road, hauling meat for a packaging plant.

The company has packaging plants in Ponce and San Juan.

Each participant is sent to one of the company's 50 packaging plants around the country that make containers for milk, orange juice and other items.