Delivery in various aspects, good and bad, but each other. We should word sense results to the benefits, such as
water transportation good effect is to send as much. But the loss was sent of the delayed much
.- land transport. Good effect is fast, clean, economical effect is less flexible, not suitable for the transmission of low volume
.- air transport effect is convenient, fast, effect is limited the size and weight. Transport only cities with airports only
what we are important transportation is greatly and have safe passage.
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