BILLINGS COUNTY, N.D. — When it comes to building a bridge, there are two obvious necessities: people and equipment. If that bridge is in the western North Dakota Badlands, a crew of pack mules can ...
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DIY, mini concrete mixer road concrete bridge construction science project @Seoul Life
diy mini concrete mixer road concrete bridge construction science project @Seoul Life Dear Supporters Thank for watching my video. please shear, like, comment and my channel. #construction #road ...
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