中石化

中 = 丨 + 口 : Mnemonic symbol: a dart board, because you always try to hit the center.

Julian Giant Squid (zhu-) is throwing dinosaur bones (丨) as darts on a dart board in front of the engine ((e)ng1). To make it a bit more difficult he's throwing mandarins (口) into the air as well and skewers them up right in the center (中 is a mandarin skewered on a dinosaur bone) in mid flight with the dinosaur bones. He's still able to consistently hit the center (中) of the dart board.

石 = 丆 + 口 : Sherlock Holmes finds the space station's entrance blocked by a big rock. He uses a wind wheel and a mandarin to build a lever, with which he is able to move the rock.

石 = 丆 + 口 : Sherlock Holmes finds the space station's entrance blocked by a big rock. He uses a wind wheel and a mandarin to build a lever, with which he is able to move the rock.

化 = 亻 + 匕 : Helga Horse and Rosa Luxemburg conduct an experiment in the ashram's bathroom. Using a transformer, they melt a ladle.