筛

筛 = ⺮ + 师 : One time in front of the airplane (ai1) Sherlock Holme's (sh) teacher (师) showed him how to filter (筛) urine into drinkable water using just a bamboo stick (⺮). That one was actually a prank to make Sherlock Holmes drink his own urine.

Mnemonic symbol: a bamboo stick.

Julian Giant Squid (zhu) is cooking bamboo shoots in the space station's kitchen (Ø2). He's cooking them in a large pot and stirs them with a bamboo stick (⺮).

师 = 刂 + 帀 : Sherlock Holmes' teacher shows Sherlock one final trick in front of the space station before his training is complete. The teacher shows Sherlock how to electrify a kitchen knife using a defibrillator.

竹 = 𠂉 + 丨 + 亅 : Julian Giant Squid (zhu) is weaving a bamboo basket (竹) in the space station's kitchen (Ø2). He is using a key (𠂉), a dinosaur bone (丨) and a crowbar (亅) as basis structure and connects the three stays by weaving soft bamboo (竹) around them.