碧
=
珀
+
石
:
Brunhilde (bi) is using the space station's bathroom (Ø4), but today she is feeling very unwell. All she produces consists of rock (石), amber (珀) and green jade (碧).
空
=
工
+
穴
:
In front of the engine, Karl Koala found some very special cave paintings. Using steel beams he constructs a protective cover. He also installs air conditioning to make the best environment possible to preserve the cave paintings.