Felling and bucking

Japanese: 伐木造材 - ばつぼくぞうざい(英語表記)felling and bucking
Felling and bucking
Felling trees is the process of felling them, removing the branches, and sawing them into logs of a set length depending on the purpose. Felling is done with a chainsaw, but sometimes a handsaw is also used. When felling a tree, the first step is to make a notch with the chainsaw. A notch is a groove cut into a square shape about 30 cm above the ground on the side of the tree that is to be felled. After making the notch, the chainsaw is held horizontally and cut from the opposite side at the same height as the top edge of the notch.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
立木を伐倒して枝を払い,用途にあわせて一定の材長に鋸断(きよだん)(玉切り)して丸太にすること。伐倒にはチェーンソーが用いられるが,手のこが用いられることもある。伐倒しようとする場合には,まずチェーンソーによって受口をつくる。受口は,立木を倒そうとする側で,地上から約30cmの位置につくられる∠状に切り込まれた溝である。受口をつくった後,受口の反対側から受口の上縁の高さの位置に,反対側からチェーンソーを水平にして切り込む。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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