copper (chemistry) / see also 紅銅|红铜[hong2 tong2] / CL:塊|块[kuai4]
铜
=
同
+
钅
:
Tommy Turtle (tu) runs a copper (铜) mine in the engine's kitchen ((e)ng2). He managed to force two twins (同) to work for him and mine the copper using golden harpoons (钅).
government official / governmental / official / public / organ of the body / CL:個|个[ge4]
官
=
㠯
+
宀
:
Mnemonic symbol: to symbolize the bureaucracy involved in every governmental system I'll use a folder.
官
=
㠯
+
宀
:
Gitta Giraffe just graduated from anthill, and standing in front of it, still wearing her graduation cap, she's ready to assume her post as government official. She already has a folder under each arm and is wearing big safety glasses (be safe at work!).
mountain / hill / anything that resembles a mountain / CL:座[zuo4] / bundled straw in which silkworms spin cocoons / gable
山
=
丨
+
凵
:
Mnemonic symbol: 山 looks like the tip of a fork. Sherlock Holmes (sh) is climbing a mountain (山) in front of the anthill (an1). He uses a dinosaur bone (〡) as walking stick, and to have better grip he attached a fork (山) to its tip. Unfortunately he accidentally sticks the fork into a receptacle (凵) on the ground of the mountain and gets shocked.