Note the two nonlinearities: the first and second terms involve products.

Trading activities mainly involved furs and other natural products during this period.

The charges involved products sold to Japanese clients that were meant to conceal losses.

This deal did not involve the company, merely its name and products.

As a result, several manufacturing companies, particularly those involving electronic products, have opened factories in this city.

First there was the tartare of tuna, which alone involved products from four continents.

Transactions involving such products may be illegal under local law.

Today, three-quarters of the action in Chicago involves financial products rather than agricultural commodities.

If this involved other products, we would have banned them a long time ago.

A considerable amount of trade involves products which could just as easily be produced locally.