akara PHILOONGabalị ịkụ azụọkụ na-eji ihe mkpuchi ihe mgbawa dị elu, GE quartz tube(USA), Germany tungsten molybdenum electrode, APL pill(USA),emepụtara na ụlọ ọrụ nzuzu nke ọgbara ọhụrụ. Anyịmetal halideịkụ azụ̀ọkụnwere ezigbo ọkụ arụmọrụ na ogologo ndụ, na-amụba luminosity ihe karịrị 10%, kwụsiri ike ìhè na-agafe ọnụego na-ewere seismic imewe megide vibration na ujo n'oge ọrụ. Anyị na-enyekwa ahazirioriọna ịkụ azụ abalịagba maka ndị ahịa anyị zuru ụwa ọnụ.
