isinyathelo sokuprakthiza
Izinyathelo zokuprakthiza zisetshenziselwa ikakhulukazi ukubhola amapuleti ensimbi amancane ngaphakathi kuka-3 mm.Ibhithi elilodwa lokubhoboza lingasetshenziswa esikhundleni sezingxenye zokubhoboza eziningi ukuze kucutshungulwe izimbobo ezinobubanzi obuhlukene njengoba kudingeka, futhi izimbobo ezinkulu zingacutshungulwa ngesikhathi esisodwa ngaphandle kwesidingo sokushintsha izingcezu zokubhoboza noma izimbobo zokubhoboza.linda.