ant-tv Posted November 17, 2013 Posted November 17, 2013 вот ссылка на html-версию инструкции по топорам -- http://www.fhwa.dot.gov/environment/recreational_trails/publications/fs_publications/99232823/ вот 18-мб PDF'ка - http://www.fhwa.dot.gov/environment/recreational_trails/publications/fs_publications/pdf/pdf99232823.pdf как разрушать булыжники без взрывчатки http://www.fhwa.dot.gov/environment/recreational_trails/publications/fs_publications/98672840/ ну в целом вот - есть интересная инфа http://www.fhwa.dot.gov/environment/recreational_trails/publications/fs_publications/
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