never
Brass does not rust because it is an alloy of copper and zinc. However, over time, it can develop a patina or tarnish that gives it a dull, brownish appearance.
Stainless steel is an alloy of iron, chromium, carbon and nickel. It never rust and hence,maintains its lustre. Whereas, the iron exposed in moist air rusts. It is covered with reddish substance and loses its lustre. And hence stainless steel has more lustre than iron.
A tongue
Gold never rusts, oxidizes or tarnishes, except under extraordinary conditions.
First of all to correcty your English . The sentence should start as 'Which'. 'Witch' is a female sorceress. When asking a question it is 'Which'. To answer you question. Only iron RUSTS. No other metal rusts, but oxidises. So iron rusts and bronze does neither rust nor oxidise.
Because it it pretty, it is malleable (can easily make things out of it), and it never rusts or corrodes. Thus, for centuries, it has been a symbol of wealth.
The plural of rust is rusts. As in "a nail left in the open rusts easily".
Iron is the transition metal that rusts when exposed to oxygen, forming iron oxide.
Alloy isn't actually in MapleStory. You never get to meet him. You get to speak with his wife Mrs. Ming Ming, his grandson Pia and Wing the Fairy who has met him.
rusts and smuts
Metal alloys are used whenever a pure material does not have the desired characteristics. For example, pure gold is beautiful, but relatively soft and does not keep its shape well. A gold alloy is just as pretty, but is hard enough to resist dents. Iron is hard, but rusts quickly. Steel, an alloy of iron, carbon and other metals, is harder and more durable.