Prestressed mabhero epurasitiki akavakirwa paHDPE seyakagadzirwa zvinhu, inonyanya kushandiswa kuseri kwesimba rakasungirirwa simende chimiro, gomba retambo yetiyi, nekuvharwa kwakanaka, pasina kubuda kwemvura, kuomarara kwemhete, diki friction paramita, kuchembera kuramba, ele. ...
Verenga zvimwe