The largest in the world.. the giant of prospecting and drilling in the bowels of the earth - a docu
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Giant mines or as they are called "quarries" and holes that dive into the ground to depths of hundreds of meters, their advantages were discovered by humans over the years by extracting coal from them and they spread widely and were accompanied by an amazing development in machines, humans were able to develop giant and very powerful drilling and transport machines to help them extract coal from mines as they transport a load weighing 220 tons, which is more than the weight of a giant Boeing plane, and it can also transport an entire mountain.. #film #short_film #documentary #America #Russia #Britain #Asia #Europe #China #world #technology #engineering #documentaries #Yalla_Documentaries #Human #Human #Sciences #Health _____________ More Yalla Documentaries films can be found here https://rb.gy/0v5kb _____________ The "Yalla Documentaries" channel offers you a group of enjoyable short documentaries with a high level of production to enjoy watching the secrets of health, wellness, and a long and happy life for different people around the world. Subscribe to Yalla Documentaries channel to receive all that is new _____________ You can follow the new episodes.. every Friday at 7 pm Saudi time / 8 pm Dubai time
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