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Well may refer to: ==Structures== * Air well (condenser), a structure or device designed to promote the condensation of atmospheric moisture * Castle well, provided a protected source of drinking water * Clootie well, a place of pilgrimage in Celtic areas * Gas well, a relatively minor variation of an oil well * Holy well, often pagan sacred sites that were later Christianized * Jacob's Well, of religious significance in the West Bank * Oil well, a hole drilled through the Earth's surface for the purpose of extracting petroleum oil * Salt well, or brine well, used to mine salt * Water well, an artificial excavation, hole or structure for the purpose of withdrawing water * Well drainage of agricultural land by pumped wells * Wishing well, a term from European folklore 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「Well」の詳細全文を読む スポンサード リンク
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