The purpose of this review is to investigate the clinical utility of functional brain imaging in patients with AD, brain tumours, epilepsy, MS, or Parkinsonâs disease. Because the focus is on clinical utility, the added clinical information that would be provided by Level 1 studies (i.e., studies of technical feasibility) is limited.
The Iron Industry. In the centuries before the Industrial Revolution, the quality of iron and the process of refining it had changed little in Great Britain. Iron had been used for agricultural tools, chains, locks, bolts, nails, horse stirrups, scythes, sickles, and anchors.
The use of iron for weapons started at various times. In the Middle East and southeastern Europe, iron began being used as early as 1200 B.C.E. In China it was used around 600 B.C.E. By 1000 B.C.E., however, the knowledge of making iron weapons was widespread.