2022-04-17Kemgbe narị afọ nke 21, ceramics bulletproof etolitela ngwa ngwa na ụdị ndị ọzọ, gụnyere Alumina, Silicon Carbide, Boron carbide, silicon Nitride, Titanium Boride, wdg. N'ime ha, Alumina Ceramics (Al2O3), Silicon Carbide ceramics (SiC) na Boron Carbide ceramics. (B4C) bụ nke a na-ejikarị eme ihe.
GỤKWUO