机
=
几
+
木
:
Joan of Arc (ji) made a machine (机) that fully automatically manufactures tables (几) out of Christmas trees (木) and tests it in front of the space station (Ø1).
械
=
戒
+
木
:
Marie Curie (xi) finds a turning machine (机械) under a Christmas tree (木) in the elevator's bathroom (e4). Happily she proceeds to manufacture a ring (戒) for herself.
师
=
刂
+
帀
:
Sherlock Holmes' teacher shows Sherlock one final trick in front of the space station before his training is complete. The teacher shows Sherlock how to electrify a kitchen knife using a defibrillator.