培
=
咅
+
土
:
Pinocchio (p) has been cultivating (培) a big compost heap in the Eiffel Tower's kitchen (ei2). He uses his own poo-poo (咅), which is just humus, and earthed it up in a compartment made of earth (土).
土
=
十
+
一
:
Tommy Turtle (tu) wants to fix a cross (十) on a flute (一) in the space station's living room (Ø3). He uses dust and clay (土) to hold them together.