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.
All Cell Phone ban: No state bans all cell phone use for all drivers, but 38 states and D.C. ban all cell phone use by novice or teen drivers, and 21 states and D.C. prohibit any cell phone use for school bus drivers.