Period 4 element in period 4, between chromium and iron. Manganese is often found free in nature, but is also found in combination with iron. Manganese, like chromium before it, is an important component in stainless steel, preventing the iron from rusting. Manganese is also often used in pigments, again like chromium. Manganese is also poisonous; if enough is inhaled, it can cause irreversible neurological damage. Iron (Fe) is an element in period 4, between manganese and cobalt. Iron is probably the most well-known element in period 4, being the most common element in the earth and a major component of steel. Iron-56
New South Wales stainless steel carriage stock New South Wales stainless steel carriage stock The New South Wales stainless steel carriage stock was a type of passenger carriage operated by the New South Wales Government Railways from 1961 until 1993. These carriages were mainly used on interstate trains such as the Southern Aurora, which ran between Sydney and Melbourne, its slower counterpart the Spirit of Progress and the Brisbane Limited. They were also used on the Gold Coast Motorail to Murwillumbah. With the demise of locomotive-hauled trains, the majority of the carriages passed to the Australian Railway Historical Society, Canberra and New South Wales Rail Transport Museum