Air cargo, commonly known as air freight, is collected by firms from shippers and delivered to customers. Aircraft were first used for carrying mail as cargo in 1911. Eventually manufacturers started designing aircraft for other types of freight as well.
A consumer is  a person or organization that uses economic services or commodities. In economic systems consumers are utilities expressed in the decision to trade or not.
This is because they  cannot make their own food, so they need toconsume (eat) plants  and/or animals. A Consumer is     â¦    are 3 groups of consumers.(Click on any to learn  more!)  /    Animals that eat only plants.  /    Animals that eat only animals.his is because they  cannot make their own food, so they need toconsume (eat) plants  and/or animals. A Consumer is     â¦    are 3 groups of consumers.