Injiniyoyinmu sun tsara wannan jerin fitilun masu nuni da kyau kuma mun zaɓi mafi kyawun kayan kowane ɓangaren wannan fitilun misali:
Mun zaɓi guduro mai ƙarfi don samar da murfinsa don tabbatar da cewa an kare fitilun cikin murfi.
Mun zaɓi tsarin plating na Zn-Ni don kare fitilun don tabbatar da cewa suna da kariya da kyau don kada su lalata.