Text this: Hybrid online surface roughness measurement using a robotic arm

 _    _     ______    ______   __   __            
| || | ||  /_   _//  /_   _//  \ \\/ //     ___   
| || | ||   -| ||-     | ||     \ ` //     /   || 
| \\_/ ||   _| ||_    _| ||      | ||     | [] || 
 \____//   /_____//  /__//       |_||      \__ || 
  `---`    `-----`   `--`        `-`'       -|_|| 
                                             `-`