Although atrial fibrillation itself usually isn't life-threatening, it is a serious medical condition that sometimes requires emergency treatment. It may lead to complications. Atrial fibrillation can lead to blood clots forming in the heart that may circulate to other organs and lead to blocked blood flow (ischemia).
Fiberboard (American spelling) or fibreboard (Commonwealth spelling) is a type of engineered wood product that is made out of wood fibers. Types of fiberboard (in order of increasing density) include particle board, medium-density fiberboard, and hardboard.Fiberboard is sometimes used as a synonym for particle board, but particle board usually refers to low-density fiberboard.or pieces that will be visible, a veneer of wood is often glued onto fiberboard to give it the appearance of conventional wood. Fiberboard is also used in the auto industry to create free-form shapes such as dashboards, rear parcel shelves, and inner door shells.
Definition of panelboard. 1 : a drawing board with an adjustable outside frame that is forced over paper so as to hold and strain it. 2 : a strong rigid paperboard used for paneling in automobile bodies and in building construction.