Umuyoboro udacukuwe wahinduwe na polypropilene (MPP) insinga z'amashanyarazi ni ubwoko bushya bw'umuyoboro wa pulasitike wakozwe na polypropilene wahinduwe nk'ibikoresho nyamukuru, ukoresheje formulaire idasanzwe hamwe n'ikoranabuhanga ryo gutunganya. Ifite imbaraga nyinshi, ituze ryiza, hamwe no gushyira insinga byoroshye. Ubwubatsi bworoshye, kuzigama amafaranga hamwe nuruhererekane rwibyiza. Nubwubatsi bwa pipe jacking, bwerekana imiterere yibicuruzwa. Yujuje ibisabwa byiterambere ryimijyi igezweho kandi irakwiriye gushyingurwa hagati ya 2-18M. Iyubakwa rya kabili ya MPP yahinduwe hifashishijwe ikoranabuhanga ridafite umwobo ntirishobora gusa kwizerwa kwumuyoboro wumuyoboro, kugabanya umuvuduko wo kunanirwa kwumuyoboro, ariko kandi bizamura cyane umujyi nibidukikije.