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Abrasion (mechanical) : ウィキペディア英語版 | Abrasion (mechanical) Abrasion is the process of scuffing, scratching, wearing down, marring, or rubbing away. It can be intentionally imposed in a controlled process using an abrasive. Abrasion can be an undesirable effect of exposure to normal use or exposure to the elements. ==Abrasion in stone shaping== Ancient artists working in stone would use abrasion to create sculptures. The artist selected dense stones like carbonite and emory and rub them consistently against comparatively softer stones like limestone or granite. The artist would use different sizes and shapes of abrasives, or turn them in various ways as they rubbed, to create effects on the softer stone's surface. Water would be continuously poured over the surface to carry away particles. Abrasive technique in stone shaping was a long, tedious process that, with patience, resulted in eternal works of art in stone.
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「Abrasion (mechanical)」の詳細全文を読む
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