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.
A concussion can be caused by direct blows to the head, gunshot wounds, violent shaking of the head, or force from a whiplash type injury. Both closed and open head injuries can produce a concussion. A concussion is the most common type of traumatic brain injury. A concussion is caused when the brain receives trauma from an impact or a sudden momentum or movement change. The blood vessels in the brain may stretch and cranial nerves may be damaged. A person may or may not experience a brief loss of consciousness.