Types of abstracts. There are two types of abstracts: descriptive and informative. They have different aims, so as a consequence they have different components and styles. There is also a third type called critical, but it is rarely used.
Samsung Galaxy Note 7 smartphone has been banned from all aircraft in the United States. The US Transportation Department and other agencies have banned passengers from carrying on the devices or putting them inside checked baggage during flights.
1 You can't fly with marijuana: The federal government bans marijuana, even medical marijuana, on aircraft, whether in a carry-on item, in checked bags, or in any package being shipped by air. In addition, some airports may ban the use or possession of marijuana in all parts of the airport. 2  You can't fly with marijuana: The federal government bans marijuana, even medical marijuana, on aircraft, whether in a carry-on item, in checked bags, or in any package being shipped by air.