Katundu wapamwamba kwambiri, 060703 zidutswa zisanu ndi ziwiri za kasupe, chophikira ...

Zogulitsa zonse zimapangidwa ndi chitsulo cha boron chapamwamba kwambiri, pambuyo popangira ndi kukonza kutentha, kuti zitsimikizire kuti chinthucho chili ndi kulimba kokwanira komanso kukana kuwonongeka. Zogulitsazo zimatumizidwa ku Russia, Lithuania, Spain ndi mayiko ena, pambuyo poyesa zinthu zambirimbiri ndi makasitomala, magwiridwe antchito ake ndi apamwamba kwambiri.