Fitilun sun dace da amfani da hasken gefen titin jirgin sama kuma suna taimaka wa matukan jirgi su sauka a cikin duhu ko yanayin gani mara kyau.
• Rage farashin aiki da kulawa saboda tsawon rai
• Fitowar haske nan take da kuma akai-akai a kan rayuwar fitilar
• Aiki ba tare da walƙiya ba