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Grinding spices in ceramic mortar and pestle
0:09
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Rubbing a stone
0:03
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Dragging stone with a high rasp
0:29
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Dragging stone slowly
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Grinding metal and stone, long scrape
0:59
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Intense cicada grinding, very clear sound.
0:06
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Medium distant metal grinding
0:10
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Grinding metal and stone, deep scrapes
0:07
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Rhythmical crushing and grinding of peppercorns in a large peppermill
0:17
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Coffee grinder - Baratza Virtuoso. Running on fine grind.