1. Lumen ndende, umucyo mwinshi.
2. Komeza serivisi zo kuramba
3. Gukoresha ingufu nke, imbaraga nyinshi, lumen attenuation.
4. Igishushanyo mbonera cya radiator kugirango ubone uburyo bwiza bwo gukonjesha.
5. Kwiyubaka byoroshye, kuzigama ingufu zidasanzwe, birashobora gusimbuza itara ryaka / itara rya halogene