膨鬆劑

膨 = 彭 + 月 : In engine's kitchen ((e)ng2) the moon (月) fell on Peng Zu's (彭) head and Pinocchio (p) finds his head is swelling (膨) more and more.

松 = 公 + 木 : Mnemonic symbol: 松鼠, a squirrel.

The squirrel (松) almost got a heart attack when it drove its bus (公) off of one of the stones in front of the engine ((e)ng1), but as it realizes it got stuck in the Susan Saint Bernard's (su) web which spans a Christmas tree (木) and one of the engine's boulders the squirrel (松) relaxes (放松).

剂 = 刂 + 齐 : Joan of Arc (ji) is preparing a dose (剂) of her medicine in the space station's bathroom (Ø4). Usually she uses a gong as a nice and flat surface to prepare her medicine, but today only the drum is ready (齐). She distributes her medicine evenly and nicely on the flat surface using a kitchen knife (刂).