傭兵

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 and the soldier visit a burial mound in front of the engine. It is round like a ball like the deceased inside. To commemorate the round fallen soldier they put up a big eight-ball.