. "wood harvesting technology"@en . . _:b1 . _:b1 "2012-05-31" . _:b1 "foba" . _:b2 . _:b2 "foba" . _:b2 "2012-05-31" . "wood harvesting technology"@en . _:b4 . _:b4 . _:b4 _:b5 . _:b5 . _:b5 . _:b5 _:b6 . _:b6 . _:b6 . _:b6 . _:b4 .