Umunyururu mugufi w'umuzingo ugororotse ufite plaque igororotse (uruhererekane rwa AB)
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Iminyururu migufi ya SS A, B Series ifite plaque igororotse
Urunigi rurwanya kwangirika rutanga uburyo bwiza bwo kurwanya kwangirika.
Ni byiza cyane mu gukoresha aho imbaraga n'ubudahangarwa bw'ingufu byombi bikenewe.
Ikoreshwa mu bikorwa bifite imitwaro myinshi ikora.