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出典:『Wikipedia』 (2011/03/29 18:47 UTC 版)

英語による解説

引用

A corkscrew is a kitchen tool for drawing stopping corks from wine bottles. Generally, a corkscrew consists of a pointed metallic helix (often called the "worm") attached to a handle. The user grips the handle and screws the metal point into the cork, until the helix is firmly embedded, then a vertical pull on the corkscrew extracts the cork from the bottle. Corkscrews are necessary because corks themselves, being small and smooth, are difficult to grip and remove, particularly when inserted fully into an inflexible glass bottle. The handle of the corkscrew, often a horizontal bar of wood attached to the screw, allows for a commanding grip to ease removal of the stopper. Corkscrew handles may incorporate levers that further increase the amount of force that can be applied outwards upon the cork. Many Swiss Army knives feature corkscrews.