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A beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters
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Any long raised border or margin of a bone or tooth or membrane
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A long narrow natural elevation or striation
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A long narrow range of hills
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A long narrow natural elevation on the floor of the ocean
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Any long raised strip
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Form into a ridge
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Spade into alternate ridges and troughs
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Throw soil toward (a crop row) from both sides
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Plough alternate strips by throwing the furrow onto an unploughed strip
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Extend in ridges