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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Horse collar ： ウィキペディア英語版 Horse collar A horse collar is a part of a horse harness that is used to distribute the load around a horse's neck and shoulders when pulling a wagon or plough. The collar often supports and pads a pair of curved metal or wood pieces, called hames, to which the traces of the harness are attached. The collar allows the horse to use its full strength when pulling, essentially enabling the horse to push forward with its hindquarters into the collar. If wearing a yoke or a breastcollar, it had to pull with its less-powerful shoulders. The collar had another advantage over the yoke as it reduced pressure on the horse's windpipe. From the time of the invention of the horse collar, horses became more valuable for plowing and pulling. When the horse was harnessed in the collar, the horse could apply 50% more power to a task in a given time period than could an ox, due to the horse's greater speed.〔〔Needham, Volume 4, Part 2, 312.〕 Additionally, horses generally have greater endurance than oxen, and thus can work more hours each day. The importance and value of horses as a resource for improving agricultural production increased accordingly. The horse collar was very important to the development of many areas of the world. Wherever oxen were used and could be replaced with horses, the use of horses boosted economies, and reduced reliance on subsistence farming. This allowed people more free time to take on specialized activities, and consequently to the development of early industry, education, and the arts in the rise of market-based towns. ==Design== A horse collar is oval rather than circular and it is by design not very flexible. It is a padded appliance that conforms well to the shape of the horse's body. It is constructed so that at all points of contact with the body of the horse it avoids the air passage. By protecting the airway of the horse it became possible for the animal to use its full force to pull a load. 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「Horse collar」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.