Announcement in accordance with the international scurity regulations, the following items are never allowed to be taken onto a plane by passengers, cither in their carry-on bags or in their checked luggage: weapons, including knives and guns, explosives, including dynamite and fireworks . the following items may be placed in checked luggage but not on carry-on bags tools, including hammers, screwdrivers and wrenches, sport equipment such as golf clubs, baseball bats, skis and ski poles. when you pass through the security line, all bags will through our x-ray machines and some bags will be manually checked by personnel, as well. thank you for your cooperation. have a safe and pleasant flight. what is the announcement about? a prohibited items in carry -on bags. b.international airport security regulation. c. some plane regulations for passengers. d allowed items to place in checked luggage.apaan nih:v​