Its principal exports are machinery, instruments and food products.

By 1890, bananas had replaced sugar as Jamaica's principal export.

A sharp drop in the coffee harvest, the country's principal export, is likely to make American aid even more important in the coming year.

"Did you think that the Lani were our principal export?"

"You probably know that pearls are one of Caledonia's principal exports," the writer said to the children.

Of Mexico he informs us that its principal exports are gold and silver.

In 1992 timber and wood products were almost one-third of the total principal exports.

The principal exports are paid for with goods or services supplied from the importing market.

The principal exports were petroleum, natural gas, and petroleum products.

The principal American export to the Soviet Union is food.