Only
operatives with the requisite ability and experience are employed
by Concrete Cutters (Sarum) Limited on these contracts. Tests
by NASA in the USA have proved that a grooved runway should
finish with a co-efficient of friction which, in the wet,
equates to 85% of that when it is dry.
Grooving
has become the proven, most cost effective way to increase
the co-efficient of friction in the wet thus improving the
take-off and landing distances of aircraft.
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