1) Isetyenziselwa ukudibanisa zombini inaliti yokucoca kunye netyhubhu yokuqokelela igazi.
2) Emva kokuvala inzala, nceda usebenzise imveliso ngaphambi kokuphelelwa yisikhathi.Ukuba i-cap yokukhusela ikhululekile okanye yonakele, nceda ungayisebenzisi.
3) Yimveliso enye.Musa ukuyisebenzisa okwesibini.
4) Kwimpilo yakho, musa ukusebenzisa i-lancet yegazi efanayo nomnye umntu.