1. Breech presentation
Anglais mot "ułożenie pośladkowe"(Breech presentation) se produit dans des ensembles:
Ola podręcznik 2 (1,2z 5)2. a breech position
3. breech
Sealing the breech!
The 155 mm main gun is equipped with a screw type breech and an electrical trigger mechanism.
4. gluteal position