1.PU yimyitozo yimpu: umusego wakozwe muruhu rwinshi rwa PU, gukuramo ibyuya no guhumeka bituma imyitozo iba nziza.
2. Umuyoboro wibyuma ucuramye: umuyoboro wa 40 * 80mm ukoreshwa muri rusange, kandi umuyoboro wa kare wijimye urazunguruka nta nkomyi. Imiyoboro ya pompe yashyizweho kashe ya Hummer, kandi umugozi wo kumanura uhujwe nubuziranenge bwubucuruzi, bukomeye kandi bworoshye gukoresha.
3. Icyuma gipima ibyuma bitagira umuyonga: icyuma kizengurutse ibyuma bifite imbaraga nyinshi, byongera uburemere bwamahugurwa.
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