A front line or frontline is the closest position(s) of an armed force's personnel and equipment-generally in respect of maritime or land forces.Forward Line of Own Troops (FLOT) , or Forward Edge of Battle Area (FEBA) are technical terms used by all branches of the U.S. armed services.he Forward Line of Enemy Troops (FLET) , is the FEBA from the enemy's perspective. The adjective variant of the term front line is used to describe materiel or personnel intended for forward use-at sea, on land or in the air-i.e. at the front line.
the hepatitis c virus can survive outside the body at room temperature on environmental surfaces for at least 16 hours but no longer than 4 days
The hepatitis B virus can survive outside the body for at least 7 days. During this time, the virus can still cause infection if it enters the body of a person who is not protected by the vaccine.