Discoveryのインスタグラム(discovery) - 9月28日 23時03分

"In order to meet the high demand for raw materials, we’ve developed a variety of methods and technical processes to extract them from the ground. We dig, mine, blast, pump or fell for them. This photo shows a sort of massive vacuum cleaner in a gravel pit that pumps stones from the ground.” ? + caption by Tom Hegen (@tomhegen.de)
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#Germany #construction #vacuum #whatdoyouthink #potd #friday

[BIHAKUEN]UVシールド(UVShield) 更年期に悩んだら

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