2022-04-17Kuyambira m'zaka za zana la 21, zida zopangira zipolopolo zapangidwa mofulumira ndi mitundu yambiri, kuphatikizapo Alumina, Silicon Carbide, Boron carbide, silicon Nitride, Titanium Boride, etc. Pakati pawo, Alumina Ceramics (Al2O3), Silicon Carbide ceramics (SiC) ndi Boron Carbide Ceramics. (B4C) ndi omwe amagwiritsidwa ntchito kwambiri.
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