Some horses, especially older horses that are very relaxed, let their lower lip droop markedly. This is usually a normal finding. When these horses become more stimulated, the appearance changes. The key to this is that the appearance is symmetrical on left and right sides.
Because of corundum's hardness (pure corundum is defined to have 9.0 Mohs), it can scratch almost every other mineral. It is commonly used as an abrasive on everything from sandpaper to large machines used in machining metals, plastics, and wood.orundum from Brazil, size about 2 cm Ã 3 cm (0.8 in Ã 1 in). Corundum occurs as a mineral in mica schist, gneiss, and some marbles in metamorphic terranes. It also occurs in low silica igneous syenite and nepheline syenite intrusives.
Medical Uses of Hycodan. Hycodan is a very active ingredient in most of the prescription medications and is mostly used to treat pain and at times to suppress severe cough. It can be used for a short-term pain control in situations like a dental procedure or a post-surgery pain; or for a long-term pain relief.ycodan is the official name for the drug Hydrocodone, which is nothing but a semi-synthetic drug (opioid), which is derived from thebaine or codeine-the natural opiates.