Cov yam ntxwv tseem ceeb ntawm Tus ncej Saw

Tus ncej saw yog nruab nrog lub tshuab tsav ntse, uas nws txiav quab yuam thiab ceev tuaj yeem sib txawv raws li cov thickness thiab hardness ntawm cov ceg. Lub saw hniav yog ua los ntawm cov khoom siv hluav taws xob thiab muaj kev hnav khaub ncaws- tiv taus kev kho mob, txhawb kev ua haujlwm nyab xeeb hauv ib puag ncig hluav taws xob thiab muaj kev ruaj ntseg. Lub tshuab no tau nruab nrog ntau lub tswv yim tiv thaiv kev txawj ntse, xws li kev tiv thaiv overload, tiv thaiv kom pom, thiab nres thaum muaj xwm ceev, kom muaj kev nyab xeeb.