Isikhumulo sezindiza v Kaluga ube nesilinganiso esimaphakathi — 3.6 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole isikhumulo sezindiza Kaluga emigwaqweni elandelayo:
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 1 inkampani, eyethulwe kuleli khasi.