บท 604: Chapter 275: Ya Ya's Weapon_2

Ji Xiaoge's face, smooth and delicate, suddenly turned a bit ashen. She forced a smile and asked, "So, the other two were the ones that satisfied them?"

"No," Ruvie grunted and spread his hands, "The other two have finished their service."

Ji Xiaoge then panicked and pulled Mo Tan and Ya Ya back a step. She then asked Ruvie incredulously, "Teacher, how long does this thing you made typically serve!?"

"Fifteen to twenty years," Ruvie gently tapped his wrench, which immediately projected the various parameters of the 'agricultural engineering mech' in mid-air. Then, he sneered sarcastically, "The two incidents with the mechs were due to operator errors. Those fools just didn't use their brains. I've specifically told them to just press the red button when they wanted to shut it down."

Ya Ya crouched by her new weapon, tail wagging, a mix of fear and awe.

Lu Jiang quietly asked, "Then, what did they press...?"

"The row of deep red buttons next to it."

"That is...?"