Ask two questions to each sentence. 1. customs officers use computers, metal detectors, x-ray machines and scanners. 2. the customs officer looks through the declaration form and asks questions. 3. radar and approach lights assist planes in taking off and landing. 4. individuals can carry in accompanied and non-accompanied luggage goods intended for personal, family, domestic and other needs not connected with commercial activity. 5. customs officers cooperate with the police, border guards, tax police, federal security bureau, etc.

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