世界贸易组织

世 = 廿 + L : Mnemonic symbol: the WTO or WHO.

Sherlock Holmes (sh) is cleaning a flower pot (廿) under the shower of the space station's bathroom (Ø4) with a loofah (L) because he didn't quite understand a poster next to the shower from the WHO (世) explaining dangers arising from different germs.

In this case, L is for loofah.

界 = 介 + 田 : Joan of Arc wants to leave this world and sets up a rocket launch field in the elevator's bathroom. The field looks like a normal crop field, except that there's a rocket in the middle and that the Joan of Arc marked the boundary with white and red tape.

贸 = 卯 + 贝 : Mahatma Gandhi (m) is negotiating with a rabbit (卯) and a crab (贝) at a world trade summit (贸) in the aorta's bathroom (ao4).

易 = 勿 + 日 : Mnemonic symbol: a really easy puzzle consisting of only two parts.

Maud Younger (y) and the sun (日) are trying to complete a really easy puzzle (易) in the space station's bathroom (Ø4). It's not as easy as they thought though, because in zero gravity they can only move with the help of their bat wings (勿).

组 = 且 + 纟 : Zapatista Zebra (zu) and the silk worm (纟) are starting a NGO (组) in the space station (Ø3). The NGO's goal is to distribute as many space friendly shelves (且) as possible. The shelves are radially symmetric and can be rotated so that the centrifugal force keeps the things in the shelf.

织 = 只 + 纟 : James II of England (zh) founded the international knitting (织) organization (织) in front of the space station (Ø1). Together with him a silk worm (纟) and a cuttlefish (只) are knitting (织) the world's longest scarf.