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.
In primary Raynaudâs (also called Raynaudâs disease), the cause isn't known. Primary Raynaud's is more common and tends to be less severe than secondary Raynaud's. Secondary Raynaudâs is caused by an underlying disease, condition, or other factor. This type of Raynaud's is often called Raynaud's phenomenon. Causes of Secondary Raynaud's. Many things can cause secondary Raynaud's. Examples include: