to cooperate / to harmonize / to help / to assist / to join
协
=
办
+
十
:
Marie Curie (xi) announces her new cooperative society (协) in the elevator's kitchen (e2). She wants to give crosses (十) to the poor. In reality her society is nothing more than a scam business (办): the crosses cost a lot of money.
同
=
冂
+
𠮛
:
Tommy Turtle (tu) is stapling (冂) a magical scroll (𠮛) to the wall of the engine's kitchen ((e)ng2). On it he wrote that he's looking for two twins (mnemonic symbol for 同).