Mineral oil is purified according to its use and is available in three different grades in the market. Mineral oil is sometimes called liquid petroleum because its composition and chemical properties are the same.It is composed of aromatic hydrocarbons, naphthenic oils and paraffinic oils. Mineral oil is used as lubricant in heavy equipment industry.ineral oil is purified according to its use and is available in three different grades in the market. Mineral oil is sometimes called liquid petroleum because its composition and chemical properties are the same.
Head Trauma Links to Dementia. Various physical traumas like brain injury, tumors, oxygen deprivation or exposure to heavy metals can also cause dementia. Dementia pugilistica, or boxer's dementia, is caused by repetitive trauma to the head, while post-traumatic dementia occurs after a single incident of brain injury. The dementia itself can be caused either by direct tissue damage or by swelling, infection or fluid collection.
Several types of traumatic injuries can affect the head and brain. A skull fracture occurs when the bone of the skull cracks or breaks. A depressed skull fracture occurs when pieces of the broken skull press into the tissue of the brain. This can cause bruising of the brain tissue, called a contusion.igns of an acute injury include the following: 1  sudden, severe pain. 2  swelling. 3  inability to place weight on a lower limb. 4  extreme tenderness in an upper limb. 5  inability to move a joint through its full range of motion. 6  extreme limb weakness. 7  visible dislocation or break of a bone.