Dongosolo Laling'ono Lopaka la PVD la Zida Zodulira

Ichi ndi makina ang'onoang'ono okutira a PVD opangira zida.Anapangidwira kasitomala wochokera ku Slovakia.Imabwera ndi ma unit 2 a Leybold turbo molecular pump + mechanical pump + root pump.