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Customs and immigration staff have never been jokers , but these days paranoia reigns . Biologists there regularly see greenback turtles , but they have never seen hawksbills , which may be extinct in the region . Note that self contained items such as printers are never considered components , and always need to meet the individual $ 2,000 threshold . Up to this point he had never had allergies , rarely had a cold , sick , watery eyes , virtually no allergy symptoms , very healthy .