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alert exclamation warning sign error mark

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alert warning error stop cancel

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tick warning exclamation symbol okay error asterisk attention cross check checked good

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tick warning okay attention error cross check checked good

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important warning exclamation attention error orange mark

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broken device error smoke failure hardware fire printer

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programming bug error fly

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careful watch triangle exclamation warning symbol sign attention error mark out

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tick not symbol sign correct error incorrect mark cross marking button check

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flag semaphore error

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problem stamp error

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microsoft windows bug development error computer

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