Ubungakanani obuncinci be-tungsten spring eyenziwe ngocingo lwe-tungsten
Intwasahlobo eyenziwe ngocingo lwe-tungsten
Ububanzi bocingo lwe-tungsten ukusuka kwi-0.05 mm ukuya kwi-5 mm
Ububanzi bentwasahlobo ukusuka kwi-1 mm ukuya kwi-50 mm
Ubungakanani obulungiselelwe ngokomzobo wakho bamkelwe
Bhala umyalezo wakho apha kwaye uwuthumele kuthi