to scale (a height) / to ascend / to mount / to publish or record / to enter (e.g. in a register) / to press down with the foot / to step or tread on / to put on (shoes or trousers) (dialect) / to be gathered and taken to the threshing ground (old)
登
=
癶
+
豆
:
To finance his adventures, Don Quixote (d) signed a sponsorship contract with a famous company producing canned beans (豆). In front of the engine ((e)ng1) he is scaling (登) a mountain of canned beans while wearing sexy nylons (癶). The character 登 depicts Don Quixote's legs (in nylons) standing on the mountain of canned beans.
机
=
几
+
木
:
Joan of Arc (ji) made a machine (机) that fully automatically manufactures tables (几) out of Christmas trees (木) and tests it in front of the space station (Ø1).
入
=
丿
+
㇏
:
Mnemonic symbol: an enter key like on a computer keyboard.
There is a special area in the space station's bathroom (Ø4) which is filled with bananas (丿), but you have to hit an enter key (入) to enter (入). Rachel Rhinoceros (ru) uses a finger (㇏) to press the button and get access to the bananas.