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.
What Airplane Mode Does Airplane Mode disables both the cellphone and Wi-Fi transponders in the phone. This means that the phone cannot send or receive calls, nor can it contact a cellular network to update the time or other data.