炭
=
山
+
灰
:
Tecumseh (t) had a fire running in the anthill's bathroom (an4), but now it has already died down. With a fork (山) he is searching in the ash (灰) for the pieces and bits of charcoal (炭) that have formed during the fire.
to warm up / to heat up / hot (of weather) / heat / fervent
热
=
执
+
灬
:
Robinson Crusoe wants to heat himself up in the elevator's bathroom, so he burns his good-for-nothing grilling license on a grill to ignite a sizeable flame.