Njengoba kukhonjisiwe esithombeni esingezansi kwesokudla, i-dome PDC ne-carbide inserts zifakwe endaweni efanayo yokushaywa. Ngemuva kokuhlolwa, ukufakwa kwe-carbide kugugile.
Njengoba kukhonjisiwe esithombeni esingezansi kwesokudla, i-dome PDC ne-carbide inserts zifakwe endaweni efanayo yokushaywa. Ngemuva kokuhlolwa, ukufakwa kwe-carbide kugugile.