Technology

Technology is District 3's industry. It is used to make devices and gadgets like televisions and computers. Technology is also used as a weapon by Beetee, a native of District 3. Beetee managed to make an electronic trap that finished off the remains tributes from the Games, giving him his victory.

74th Hunger Games
In these Games the District 3 male made mines with technology, a skill most of the district have. If something makes contact with the ground, the mines will go off and cause an explosion.

As a Weapon
Technology is commonly used as a weapon for tributes from District 3 in the 74th Hunger Games. Beetee also favored technology as a weapon. There are no known other tributes besides the ones from District 3 who use technology throughout the series. Technology is shown to be used to make nuclear bombs and explosives.