Mechanical kawg ntsaws ruaj ruaj los yog cov ntsaws ruaj ruaj hnyav yog tsim los rau kev siv teb nyob rau hauv ib puag ncig hnyav hnyav uas lawv tuaj yeem tiv taus hnyav hnyav thiab tiv thaiv kev nkag ntawm cov xov xwm sab nraud.Mechanical kawg seals yog lub npe hu ua cov ntsaws ruaj ruaj hnyav, kawg ntsaws ruaj ruaj, ntab ntsaws ruaj ruaj, lub neej ntsaws ruaj ruaj, Toric seals, thiab ntau lub khob ntim cov ntsaws ruaj ruaj.