Correct: ferrous metals contain iron, The word ferrous comes from the Latin word "Ferrum", The Latin word "Ferrum" literally means "Iron", Iron contains up to 2.5% carbon, Ferrous metals Rust or Oxidise, Steel is made by reducing the carbon content of Iron, Mild steel is used to make bicycle frames, PC Carcasess and XBoxes, Mild Steel has good toughness, Mild Steel contains up to 0.3% carbon, High Carbon Steel is very Tough and can be Brittle, High carbon steel is used to make tools, High carbon steel has up to 1.5% Carbon, Stainless Steel is used to make medical instruments, Stainless Steel is made from Iron, Nickel, and Chromium, Cast Iron has an excellent compressive strength, Cast Iron has up to 6% carbon, Ferrous metals are magnetic., Cast Iron was used to make road signs, Old cast iron road signs needed to be painted to prevent corrosion, Cast Iron road signs are expensive to replace, Old Cast Iron Road signs are very heavy , Old cast iron road signs will not crumple in a collision, Incorrect: ferrous metals do not contain iron, The word ferrous comes from the Latin word "Fingle" , The Latin word "Fingle" literally means " Iron, Iron contains up to 100% carbon, Ferrous metals do not Rust or Oxidise, Steel is made by increasing the carbon content of Iron, Mild Steel is used to make windows, Mild steel is not tough at all., Mild steel contains no carbon at all, High Carbon Steel is not tough at all, High carbon steel is not used to make tools, High carbon Steel has upto 25% Carbon, Stainless steel is used to make bathtubs, Stainless steel is made from plastics, Cast iron is not good in compression, Cast Iron can have up to 90% Carbon, Ferrous metals are not magnetic, Cast iron is lightweight, Cast Iron is cheap to make, Cast iron does not need to be protected with paint, Old Cast iron signs are cheap to make, Old Cast Iron signs will safely crumble in a collision,
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