I think this is a reason the name. Although cast steel is also produced by pig iron, but cast steel has lower content of carbon element. So, scientifically speaking, if the carbon content is upper 2%, then it should be called as cast iron, but if lower than 2%, then it should be called as cast steel.
Depending on the type of dementia, the person's behavior may eventually become out of control. The person may become angry, agitated, and combative or clingy and childlike. He or she may wander and become lost. These problems can make it difficult for family members or others to continue providing care at home.
What are perceptions and hallucinations? Some people with dementia may encounter problems with their sight â in some cases, this includes having hallucinations. This page looks at some of the difficulties and mistakes this can cause, and suggests ways of providing support for the person. Understanding the problems they may face and giving appropriate help, support and reassurance can help people living with dementia to feel safe.