Skyline view of National Road 48 construction site

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PURPOSE FOR UPLOAD THIS VIDEOS
1-Sharing knowledge about construction machinery for development.
2-Sharing Knowledge about heavy equipment technology and how to use heavy machinery such as Dump trucks, Excavators, bulldozers, Rollers, Motor Grader, Wheel Loader, Generator, Tractors, Crane trucks, Mixer trucks, Concrete pump trucks, Rotary drilling machines, and more...about machinery
3-Sharing Knowledge about safety using heavy equipment.
4- Sharing about new projects in Cambodia development.

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ផ្លូវជាតិលេខ៤៨ប្រវែងប៉ុន្មានគីឡូម៉ែត្រដែរ??