A manufacturing installation of an insulating block having a concave part for leg formation in the four corners of a bottom mold
[Detail]
Heat shielding block with shielding layer by using a pellet of calcium carbonate
[Detail]
The windmill and wind power generation device which can function on a downwind type windmill also as a vertical-axis type windmill
[Detail]
The decoration costume made of origami which makes the kimono of Japanese clothes.
[Detail]
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