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Internationally, there are countries going well beyond the course, with airlines, transportation. There are systems around the world that have explored mining, rail transport, television, communication, Internet service - there very common examples around the world that we can draw examples from.

Source: www.salon.com
Internationally, there are countries going well beyond the course, with airlines, transportation. There are systems around the world that have explored mining, rail transport, television, communication, Internet service