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It is a unique ID number or code assigned to a package or parcel. The tracking number is typically printed on the shipping label as a bar code that can be scanned by anyone with a bar code reader or smartphone. In the United States, some of the carriers using tracking numbers include UPS, [1] FedEx, [2] and the United States Postal Service. [3]
The track and trace concept can be supported by means of reckoning and reporting of the position of vehicles and containers with the property of concern, stored, for example, in a real-time database. This approach leaves the task to compose a coherent depiction of the subsequent status reports.
The service became quickly popular: for UPS the number of packages tracked on the web increased from 600 a day in 1995 [9] to 3.3 million a day in 1999. [10] On-line package tracking became available for all major carrier companies, and was improved by the emergence of websites that offered consolidated tracking for different mail carriers. [11]
Package tracking, or package logging, the process of localizing shipping containers, mail and parcel post; Track and trace, a process of determining the current and past locations and other status of property in transit; Asset tracking, which provides status of objects of an inventory or mobile stock
Package delivery, or parcel delivery, is the delivery of shipping containers, parcels, or high-value mail as single shipments. The service is provided by most postal systems, express mail, private courier companies, and less-than-truckload shipping carriers. [1] Package delivery differs by country due to cost and population.
Freight transport, also referred to as freight forwarding, is the physical process of transporting commodities and merchandise goods and cargo. [1] The term shipping originally referred to transport by sea but in American English , it has been extended to refer to transport by land or air (International English: "carriage") as well.
In experimental fluid mechanics, Lagrangian Particle Tracking refers to the process of determining trajectories of small neutrally buoyant particles (flow tracers) that are freely suspended within a turbulent flow field. These are usually obtained by 3-D Particle Tracking Velocimetry.