太
=
丶
+
大
:
Mnemonic symbol: from 太后 [tai4 hou4], the empress dowager. The empress dowager prepares for her reign in the airplane's bathroom (ai4) and has a big robot (大) as well as Tecumseh (t) fan her fresh air with petal leaves (丶).
阁
=
各
+
门
:
Guy Fawkes (g) has a hidden two-storied pavilion (阁) in the elevator's kitchen (e2). Of course he built it underground, and the entrance is a trap door (门) with a big star (各) on it.