Western Wood Structures, Inc. Specifications are included in most construction documents in order to communicate the standard of quality required for the project. In the Construction Specification Institute numbering, glued-laminated construction (glulam) is in division 06180. Several of the items included in glulam specifications are architectural while others are structural.
In some areas of the world, the mudfish is on the endangered species list. This is a result of diminishing wetlands and swamps, which are the animalâs natural habitat. Most of the endangered mudfish are located in New Zealand and Australia, but they can also be found in other parts of the world.
There are three families of crayfish, two in the Northern Hemisphere and one in the Southern Hemisphere. The Southern-Hemisphere (Gondwana-distributed) family Parastacidae lives in South America, Madagascar and Australasia, and is distinguished by the lack of the first pair of pleopods.n the Eastern United States, crayfish is more common in the north, while crawdad is heard more in central and southwestern regions, and crawfish further south, although there are considerable overlaps. The study of crayfish is called astacology.