O’zbekiston respublikasi oliy va o’rta maxsus ta’lim vazirligi termiz davlat universiteti texnologik ta’lim kafedrasi

Non-ferrous metals are all metal groups except iron
Crystalline bodies are bodies, in cathoric atoms they form crystal lattices and are located in a certain order
Amorphous bodies - bodies whose atoms are randomly distributed
Single crystals - a single crystal with a continuous crystal lattice
Polycrystal - The aggregates, consisting of many differently oriented small single crystals
Pristestrnstvennaya grating - spatial lattice is formed of a plurality of planes kristallografichesikh that location with w enes each other in parallel.
Elementary cell - the smallest part of the crystal lattice