Utomoni wa polypropylene ndi katundu wosakhala woopsa.Kuponya ndi kugwiritsa ntchito zida zakuthwa monga mbedza ndizoletsedwa panthawi yoyendetsa.Galimoto ziyenera kukhala zaukhondo ndi zouma.sayenera kusakanizidwa ndi mchenga, chitsulo chophwanyika, malasha ndi galasi, kapena zinthu zapoizoni, zowononga kapena zoyaka moto ponyamula.Ndikoletsedwa kotheratu kukhala padzuwa kapena mvula.