induration. 1. the process of hardening or being hardened.
1 They're weak against the Ice and Water types in reference of erosion, which cause this elements to the ground. 2  They're immune against the Electric type because in real life, the ground is a natural sink of electrons.  The Bug type resists them because many bugs like worms live inside the ground and many of them eat it.
Enemy Forces. (1) The __________ TA is opposed by two corps estimated to be approximately 95 percent. strength. These ground forces are supported by a helicopter company and an artillery battery which is. capable of mass artillery barrages within a 10-mile radius and attack helicopter strikes within 20 miles. Intelligence indicates that the full range of radio electronic combat elements will be employed to gather.