muna mikewa muna kwance kyakykyawar wayanmu. Ana amfani da wannan waya misali a matsayin filaments a cikin fitilun halogen. Wayoyin mu na tungsten suna samar da haske a cikin fitilu masu ƙyalli tun 1990. Kuma a yau, ƙananan karafa na mu suna haskaka hanya. Misali, a cikin fitilun halogen, fitilun fitarwa mai ƙarfi ko LEDs.