PKU and the other causes of hyperphenylalaninemia are inherited in a recessive fashion. This means an affected person inherited two traits for the disorder (e.s., one from each parent). A person with one trait for the disorder, is called a 'carrier' for PKU. Carriers do not have symptoms of the disorder. SYMPTOMS:
Pontoon Design: There are three primary types of pontoon designs used on current pontoon boats. One is the foam filled (U) shaped pontoon, another is the round baffled single chambered pontoon, and then there is the single round pontoon with several airtight individual compartments.
A pontoon bridge is a collection of specialized, shallow draft boats or floats, connected together to cross a river or canal, with a track or deck attached on top. The water buoyancy supports the boats, limiting the maximum load to the total and point buoyancy of the pontoons or boats.