Excavators dig up sand, from a volcanic eruption several thousand years ago.
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The excavator dug through a very hard layer of old sand
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sand mining,excavator digging sand
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This is How Stainless Steel Pipe Are Manufactured || Production of Pipes
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CAT D7 BÜYÜK KAYALARLA SAVAŞIYOR _fighting with big rocks#keşfet #bulldozer #caterpiller
1:06:27
Excavator Tackles Tough Mountain Terrain and Breaks.Breaking Stones on Mountain Hills. #excavators
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30Days Machining Project with 100 Yrs Old Technology || Manufacturing Gearbox Shaft and Gear
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Bomba de agua sin electricidad que puede bombear agua hasta las colinas.
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