In 1970, Schjeldahl also created the Plastic Netting Machine Company.

After being left to “shut down” for two days, the trees are fed into a netting machine, stacked in pallets, then transported by lorry to their destination.

The bills now pass through what counterfeiters call an "enmalladora," or netting machine: Two rollers covered with coarse fabric to give them a rough texture.

Otco Netting will demonstrate applying and removing bird net with the Netwizz netting machine.

Back in the main yard, Peter Wilkens, an optical engineer and at 22 the youngest of the sons and daughters in the family, shoved the fat Douglas firs and white spruces through the netting machine.