LIFE SPAN OF AMERICAN PIT BULL TERRIER. HISTORY. Sometime during the nineteenth century, dog fanciers in England, Ireland and Scotland began to experiment with crosses between Bulldogs and Terriers, looking for a dog that combined the gameness of the terrier with the strength and athleticism of the Bulldog.
Bridge enclosure is a structural floor suspended from the soffit of steel composite, plate. girder or concrete bridges. The floor and integral side membranes can be formed in. advanced composite materials which encapsulate the structure and provide permanent.
A secondary enclosure, typically consisting of a wall or berm, which surrounds a tank or fluid-handling mechanism, intended to contain any spills or leaks. The most important of these [secondary containment] provisions are bunds, which are enclosures capable of holding liquids that may escape from the vessels and pipes within the bund wall.