Chifukwa cha ubwino wa pulasitiki wolimba, kulemera kwake, mphamvu zambiri, ndi kukonza kosavuta, ma aloyi a aluminiyumu amagwiritsidwa ntchito kwambiri pamagalimoto opepuka komanso opangira mphamvu zatsopano.Panthawi imodzimodziyo, imagwiritsidwanso ntchito kwambiri muzamlengalenga, sitima zapamadzi ndi zina.Ndi chitukuko cha China '...
Werengani zambiri