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.
Switching cellular and Wi-Fi off makes the device OK to use in an airplane. How to access Airplane mode. On iOS, you access Airplane mode by swiping up from the bottom of the home screen and then tapping the plane icon. If the icon is highlighted orange, Airplane mode is on. Alternatively, you can head to Settings, tap Airplane mode, and then switch the slider to On.