FIELD: forest product industry. SUBSTANCE: method involves determining position of felling machine during tree felling by means of at least one location determining device through wireless signal receiving means. Marking device is mounted on felling machine and is adapted for applying markings on logs. Control unit, normally computer, is mounted on felling machine and adapted for controlling marking device, which applies to logs markings with information on location of felling machine. EFFECT: increased efficiency and provision for useful processing and utilization of timber. 31 cl, 21 dwg
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Authors
Dates
2003-07-20—Published
1997-10-23—Filed