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.
1 Second Impact Syndrome, also termed recurrent traumatic brain injury, can occur when a person sustains a second traumatic brain injury before the symptoms of the first traumatic brain injury have healed. 2  The second injury may occur from days to weeks following the first. 3  Loss of consciousness is not required.