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・ Crunchy Black
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・ Cruising (driving)
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・ Cruising (maritime)
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・ Cruising Association
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Cruising rod
・ Cruising with Ruben & the Jets
・ Cruising Yacht Club of Australia
・ CRUISR
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・ Cruizer
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・ Cruizer-class sloop
・ Cruks en Karnak
・ Crulai
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Cruising rod : ウィキペディア英語版
Cruising rod
A cruising rod is a simple computing device that to quickly estimate the number of pieces of lumber yielded by a given piece of timber. Similarly to a yardstick, it is a rod with markings. The estimation is carried out as follows. Standing at arm's length from the tree, estimate its average diameter by taking a note on the rod's markings. Walk away to see the whole tree; hold the rod upright at the distance from the eye at which the rod and the tree appear of the same diameter; the noted mark on the rod will show an approximate location of an 8-foot log cut along the tree height. 〔(Forest Stewardship Newsletter with Article on Cruising Rods ), reprinted from the Small Woodlot Owners Association of Maine newsletter, (''SWOAM News'', November 2001, Volume 26, Number 11)〕
==See also==

*Timber cruise
*Biltmore stick

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「Cruising rod」の詳細全文を読む



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