| goaf | <chemical> That part of a mine from which the mineral has been partially or wholly removed; the waste left in old workings; called also gob . To work the goaf or gob, to remove the pillars of mineral matter previously left to support the roof, and replace them with props. Source: Websters Dictionary (01 Mar 1998) |
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제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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