止血垫

止 = ⺊ + 丨 + 一 : Mnemonic symbol: a barrier. James II of England (zh) is marking his area in the space station's living room (Ø3) with a big barrier (止), in front of which he sets up his pennant (⺊). He places a soldier left and right to the barrier, armed with a dinosaur bone (丨) and a flute (一) respectively.

血 = 丶 + 皿 : Mnemonic symbol: blood transfusion.

Xu Xian hurt himself and needs to get a blood transfusion in the elevator's bathroom. He found a petal leaf as donor, which is bleeding droplets into a bowl; Xu Xian gets the blood from the bowl as infusion using some tubes.

垫 = 土 + 执 : Dorothy Gale (di) built an air cushion (垫) vehicle out of dirt (土) in the anthill's bathroom (an4) and happily rides it in circles, until a police officer appears and asks for her license (执).