Dugwayâs Chemical Test Division successfully tests JCAD system on Stryker. Caged in a menacing looking metal grid with intricate sensory equipment attached to all sides the Armyâs M113 NBC RV Stryker vehicle sits on a dusty road at Dugway Proving Groundâs target S grid being readied by its crew for testing....
The following conditions are when secondary curvatures of the spine  develop:   Cervical-when the baby starts to hold its head up   Lumbar-when the baby starts to â¦ walk. 4 people found this useful.
secondary porosity The forms of porosity which develop in a rock during and after consolidation, by the selective dissolution or alteration of mineral grains and cements, or by the fracturing of the rock by tectonic processes (see TECTONISM). See CHOQUETTE AND PRAY CLASSIFICATION.Cite this article.econdary porosity The forms of porosity which develop in a rock during and after consolidation, by the selective dissolution or alteration of mineral grains and cements, or by the fracturing of the rock by tectonic processes (see TECTONISM). See CHOQUETTE AND PRAY CLASSIFICATION. Cite this article.