Ubuguzi bwo kugura umupira wubushinwa: Nigute wahitamo neza umupira wubushinwa
Igitabo cyo kugura Ubushinwa Ball Ball: Uburyo bwo guhitamo neza umupira wumupira wubushinwa Umupira wumupira nibikoresho bisanzwe bikoreshwa mugucunga amazi, imiterere yoroheje, gufunga neza nibindi byiza bituma ikoreshwa cyane muri peteroli, imiti, metallurgie, amashanyarazi amashanyarazi ...
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