Reading 1.4 (page 373-375) contends that shipping commodities by air is strongly

Reading 1.4 (page 373-375) contends that shipping commodities by air is strongly
influenced by the characteristics of the shipment including the nature of the
commodity; the state of demand for the product; and the existence of
distribution problems. Discuss the main characteristics that make shipping
by air the most desirable form of distribution. Include examples of air cargo
products that are likely to be found under each of the characteristics.