Rudzi rutsva rwezvinhu zvisingapindi mvura zvine mashandiro epamusoro e-anti-permeability, mvura-proofness, thermo-kugadzikana uye cryogenic pfuma, simba rakakura uye kureba uye ine hunhu hwekuchembera kuramba, inoshandiswa zvakanyanya kusapinda mvura mukuvaka denga reindasitiri nekuvaka veruzhinji. pasi pevhu, mugero, dziva rekugadzira, nezvimwe.