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give one use of concave and convex mirror class 7 give one use each of concave and convex mirror class 7 give uses of concave and convex mirror class 7 give two uses of concave and convex mirror class 7 what is the uses of concave and convex mirror class 7 what is a concave and convex mirror class 7 5 uses of concave and convex mirror class 7 uses of convex mirror class 7 uses of concave mirror class 7 what are the 5 uses of convex mirror
