Surface Roughness Conversion Chart. Surface roughness ot texture is the measure if the finer surface irregularities in the surface texture and is composed of three components: roughness, waviness and form.These are the result of the manufacturing process employed to create the surface.Surface roughness average (Ra), also know as arithmetric average (AA) is rated as the arithmetic average deviation of the surface valleys and peaks expressed in micro inches or micro meters.ISO standards use the term CLA (Center Line Average).hese are the result of the manufacturing process employed to create the surface. Surface roughness average (Ra), also know as arithmetric average (AA) is rated as the arithmetic average deviation of the surface valleys and peaks expressed in micro inches or micro meters.
Brock Lesnar defeated The Undertaker at WrestleMania 30, marking one of the most surprising moments in WWE history. More than 15 months later, the Deadman has returned for his rematch with the baddest man in wrestling, and itâs anyoneâs guess who will win their match at SummerSlam 2015.
Kurt Angle on his failed return to WWE, wrestling Daniel Bryan. The next time Kurt Angle and Brock Lesnar wrestle wonât be the first. The two headlined WrestleMania XIX, as well as locked up at SummerSlam and a 60-minute Iron Man match in 2003. But the two have only fought a legitimate fight on just one occasion â and Angle was the winner.