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  • Bob the Builder: Bob on Site 1 US: Roads & Bridges - On-Site Roley

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Bob the Builder: Bob on Site 1 US: Roads & Bridges - On-Site Roley

Road rollers and steam rollers are not the only machines needed to flatten a road. Graders have lost of small shovels that pick up excess dirt and take it away to create a smoother road for the rollers to flatten.

HitEntertainment | August 11, 2008Watch more videos from HitEntertainment

Tags:. .site. .create. .small. .away. .roads