|Công nghệ đời||Iron Age|
|Chức năng||Siege Units and Siege Ships have +2 range|
Engineering is a researchable technology in Age of Empires that increases the range of all Siege Units and Siege Ships by 2 points. It is researched in the Government Center and is needed to research and build the Juggernaut. It can only be researched once the player reaches the Iron Age.
|Government Center Technologies - Công nghệ BC|
|Bronze Age - Đời 3||Đầu máu · Kiến trúc · Bản đồ · Đeo giỏ (RoR)|
|Iron Age - Đời 4||Vòng ngọc · Bắn chặn · Tên lửa · Bánh răng|