When it rains, it pours. The only way to stay dry when there are strong winds is a raincoat. You may use one when you go to school or you may have seen your dad wear one when he goes for work in the rainy season. Haven't you ever wondered how these raincoats are different from the normal clothes you wear?
Correction fluid is an opaque, white fluid that is used to paint over writing or painting errors. Before the invention of word processors, correction fluid was the easiest way you could correct a mistake in a handwritten document.