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post pounder : ウィキペディア英語版 | post pounder
A post pounder, post driver, post knocker or fence driver is a tool used for driving fence posts and similar items into land surfaces. It consists of a heavy steel pipe which is closed at one end and has handles welded onto the sides. It is normally used by one person, but larger versions may require two. ==History== An early type was developed in 1933 by the Pennsylvania Department of Transportation to aid the installation of fencing along roads and highways. 〔 ("Miniature Pile Driver Sinks Fence Posts", October 1933, Popular Mechanics ) bottom of page 26, left side of page 〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「post pounder」の詳細全文を読む
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