Heat shielding block with shielding layer by using a pellet of calcium carbonate
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The windmill and wind power generation device which can function on a downwind type windmill also as a vertical-axis type windmill
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A Japanese traditional instrument with three strings played like a guitar, with upper register
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The oscillating promotion structure of the faceplate in stringed instruments, such as a guitar.
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The cushioning material used for a pillow, a mat, etc., from the stem of Alpinia speciosa.
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