Foreign object obstruction to the airway in the adult usually occurs

Foreign object obstruction in the airway in adults usually occurs during meals due to choking. Airway obstruction happens when there is something that blocks the airway resulting in difficulty in breathing. The most common technique used when a person is identified having foreign object obstruction is called the Heimlich Maneuver. 

Cpr? ? idk i heard it like five years ago on a medical course in primary

C.1960s and 1970s hope it's right