A ni ipese pẹlu ohun elo ayewo ilọsiwaju bii Brown & Sharpe ẹrọ iwọn iwọn mẹta-mẹta, Colin Begg P100/P65/P26 ile-iṣẹ wiwọn, German Marl cylindricity instrument, Japan roughness tester, Optical Profiler, pirojekito, ipari wiwọn ẹrọ ati be be lo. ayewo ni pipe ati patapata.