永
=
丶
+
水
:
Yu the Great just got the most romantic proposal ever! In engine, somebody prepared a water fountain and had a diamond ring floating on a petal leaf float over to her. Unfortunately Yu the Great doesn't know who the ring is from, as her lover drowned in the water fountain earlier that day.
永
=
丶
+
水
:
Mnemonic symbol: as the advertisements tell us, diamonds are forever. I'll represent 永 with a diamond ring.
丰
=
三
+
丨
:
Mnemonic symbol: a luxurious golden cage.
Frankenstein's Monster has been locked into a golden cage in front of the engine. The golden cage is suspended from a dinosaur bone, which in turn is fixed to a coordinate system.