Mining. An inclined board over which water is allowed to flow, used for cleaning and separating pieces of ore. Cf. framing-table n. at framing, n.…
单词 | θ212929 |
释义 | society > occupation and work > equipment > equipment for treating ores > [noun] > for washing ore > table or frame (6) frame1778 Mining. An inclined board over which water is allowed to flow, used for cleaning and separating pieces of ore. Cf. framing-table n. at framing, n.… sleeping table1839 an immovable apparatus on which ore is washed. sweeping-table1839 (cf. sweep-table n. at sweep-, comb._form affix 1), a sloping table on which ore is washed by a current of water. sweep-table1839 = sweeping-table n. at sweeping, n. compounds 2. bumping table1877 an apparatus containing a sloping, vibrating surface, used to remove heavier particles from powdered ore as part of the concentration process (see con… rag frame1904 an inclined table for partially concentrating slimes. |
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