佣兵

佣 = 亻 + 用 : Yu the Great and Rosa Luxemburg are lying hurt on the ground in front of the engine, and a servant of the engine uses his first aid kit to help them until the ambulance arrives.

兵 = 丘 + 八 : Brunhilde (bi) and the soldier (兵) visit a burial mound (丘) in front of the engine ((e)ng1). It is round like a ball like the deceased inside. To commemorate the round fallen soldier they put down eight-balls (八).