Read the text and answer the question! Announcement In accordance with the international security regulation, the following items are never allowed to be taken onto a plane by passengers, either 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 go through our X-Ray machines and some bags will be manually checked by personal, as well. What is the announcement about?

Question

Read the text and answer the question!

Announcement

In accordance with the international security regulation, the following items are never allowed to be taken onto a plane by passengers, either 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 go through our X-Ray machines and some bags will be manually checked by personal, as well.

What is the announcement about? $\;\;$