· qias neeg fiber ntau endfaces
· Cov kab mob phem (tsis sib xws, chipped, angled)
· Misalignment thaum lub sij hawm fusion
· Kev kis kab mob hauv thaj chaw sib txuas
· Kev npaj fiber ntau tsis raug lossis nro
· Siv cov electrodes puas los yog fusion splicer
