1. Ubwiza bwibice.2. Gukurikirana imiyoborere.3. Imikorere ya buri munsi no gufata neza sisitemu.Ingingo ya mbere: ubwiza bwibikoresho Sisitemu yizuba irashobora gukoreshwa mumyaka 25, kandi inkunga, ibice hamwe na inverter hano bitanga byinshi.Ikintu cya mbere ...
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