Siv ntawm Nylon Screws

Nylon screws yog ib qho xov xwm nrawm nrawm siv nyob rau hauv ntau cov ntawv thov, suav nrog cov khoom siv, suav nrog cov cuab yeej siv, hluav taws xob, kho cov khoom siv kho mob, thiab khoom siv kho mob. Lawv feem ntau siv los hloov cov hlau screws vim lawv cov khoom siv tsis zoo thiab lub cev yuag thiab ua kom lawv ua tau zoo nyob rau ntau hom kev ua haujlwm sib txawv.