helicopter machine: to make the surface of concrete smooth

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Uploaded by on Aug 24, 2007

helicopter machine is used to make the surface of the concrete smooth.

Category:

Travel & Events

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Standard YouTube License

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All Comments (4)

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  • Wow. That looks awful.

  • lol first comment

  • OMG thats bad. You need to use a bull float to smooth it out 1st, THEN use the power trowel to finish smooth it out the rest of the way.

  • looks like they are in big trouble the concrete has blown up !!! idiot

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