A ti pese awọn ohun elo ayewo to ti ni ilọsiwaju gẹgẹbi ẹrọ wiwọn Brown & Sharpe mẹta-coordinate, ile-iṣẹ wiwọn Colin Begg P100/P65/P26, ohun elo cylindricity German Marl, ẹrọ idanwo roughness Japan, Optical Profiler, projector, ẹrọ wiwọn gigun ati bẹbẹ lọ lati rii daju pe ayewo ikẹhin ni deede ati ni pipe.