Kuomarara ndeimwe yeakakosha indexes emakanika zvinhu zvemidziyo, uye kuomarara bvunzo inzira yakakosha yekutonga huwandu hwezvinhu zvesimbi kana zvikamu.Sezvo kuoma kwesimbi kuchienderana nemamwe ma mechanical properties, mamwe ma mechanical properties akadai sesimba, kuneta...
Verenga zvimwe