Je was op zoek naar: mechanical engineering (power) (Engels - Japans)

mechanical engineering
機械工学

so, mechanical engineering!
手術完了

first rule of mechanical engineering, dude. never waste good tech.
機械工学のルールその１ "良い技術は無駄にするな"

- oh, really? and what? you're gonna save us with your mechanical engineering skills?
お前の機械工学技術で 俺たちが助かるのか？