井
=
二
+
丿
+
丨
:
Joan of Arc (ji) is digging a well (井) inside the engine ((e)ng3). At first she was doing it by hand, but then she hooked up a capacitor (二) to a banana (丿) and a dinosaur bone (丨), which dig for her using the electrical energy.
lid / top / cover / canopy / to cover / to conceal / to build
盖
=
皿
+
羊
:
Guy Fawkes (g) always has to cover (盖) his rice bowl (皿) with cling wrap in the airplane's bathroom (ai4), otherwise the sheep (羊) will eat all the rice and get a stomach ache.