1, Izinto zokwakha ziyinsimbi engagqwali engu-304 enekhwalithi ephezulu.
2, Isihloko senalithi sibukhali ngokwanele ngaphandle kwe-barb ngesikhathi sokuyisebenzisa.
3, Umklamo we-Luer taper wombhede wenaliti wokuvala ngokuqinile ngaphandle kokuvuza.
4, Faka kuzo zonke izinhlobo zesirinji futhi ingasetshenziswa kabusha ngemva kokubulala amagciwane.