The Ozarks. The Saint Francois Mountains, viewed here from Knob Lick Mountain, are the geologic core of the Ozarks. The Ozarks (also referred to as Ozarks Mountain Country, the Ozark Mountains or the Ozark Plateau) are a physiographic, geologic, and cultural highland region of the central United States.
Pyramiding in Tortoises. Leopard tortoise (Geochelone pardalis ) with severe pyramiding. click on the photo for a better view. Pyramiding is a form of metabolic bone disease (MBD). It is characterized by a build up or stacking of keratin in the scutes. In advanced cases the shell becomes soft and flattens out. The above tortoise was rescued from horrible conditions.
Introduction. Galling, or cold welding as it is sometimes referred to, is a form of severe adhesive wear. Adhesive wear occurs between two metal surfaces that are in relative motion and under sufficient load to permit the transfer of material.This is a solid-phase welding process.alling, or cold welding as it is sometimes referred to, is a form of severe adhesive wear. Adhesive wear occurs between two metal surfaces that are in relative motion and under sufficient load to permit the transfer of material. This is a solid-phase welding process.