bowing, they silently left.When everyone else had left, and Zhao Xuanji, who had witnessed everything, spoke in a low voice: "It seems your days are worse than I imagined."Zhao Qinglan said calmly, "I...erful. This thing is most afraid of collisions and violent shaking. If there are no experienced craftsmen, we can't grasp its stability at all.""I can give you some Qin dynasty thunderbolts to play wi...