Hluav taws sib ntaus sib ntaus grooved y-hom ruam yog qhov tseem ceeb tivthaiv rau hluav taws kev tiv thaiv cov system. Tsim los ntawm precision, qhov kev sib zog no ua kom muaj txiaj ntsig zoo thiab ua kom tsis muaj dej los tiv thaiv txhaws thiab tswj kev ua yeeb yam zoo.