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.
A carbon-fiber-reinforced grid system permanently stabilizes bowed foundation walls with minimal disruption and no excavation. Unstable soils are a basements worst enemy, whether the antagonists are expansive clay or compressible or improperly compacted fill. They launch a sneak attack by leaving foundations unevenly supported, triggering settlement and cracking. They can also barrage basement walls with lateral loads, causing walls to bow inward.