| 摘要 |
PROBLEM TO BE SOLVED: To provide a method in which a position of a truck loaded with materials by an earth-moving machine positioned at a work site is located and displayed. SOLUTION: A method that obtains, when a truck is loaded with materials by an earth-moving machine, a correlative position of the truck and indicates the obtained position is provided. In this method, a loading event signal is received and the correlative position of the truck is obtained, responding to the signal. The correlative position is indicated to a work site. A method that obtains and indicates productivity information related to the materials excavated by the earth-moving machine for loading on the truck is provided. In this method, the kind of material to be put in a bucket is obtained. In response to the kind of material put in the bucket, the productivity information is indicated at a remote position.
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