(A) HATCHThe Hatch part provides Critical Hit Chance, Critical Hit Damage, and AOE damage. All hatch parts have different Weights.
(B) GUNThe Guns parts will determine how much base attack damage can inflict on enemy tanks. All gun parts have random bonus offensive abilities. All gun parts have different weights.
(C) HULLThe Hull part provides Armors and HP. All hull parts have random bonus defensive abilities. All hull parts have different weights.