road speed hump with cat eyes
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China [CN] 1. Ramps for cars can be installed on the surface of asphalt roads and concrete roads.
2.To improve life span,the road must be smooth.After drilling clean up the holes and romove the dust,oil and debris from the holes .using the special adhesive,put the bottom of the bump to the surface of the road.
3.For A type road speed bump,use a steel bar or PVC pepe to link them up from the middle holes in order to strengthen the power of force resistance.
4.The fixer and the hole must be matched in size.
5. Fixer for asphalt roads,expensive screw purchase on the local markets.
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