It's mostly wordless, making it suitable for use in any country, and depicts how to make oral rehydration salts "using only things that a person living in a sheet city would have," including PET water bottles and bottle caps:
Kwa kiasi kikubwa haina maneno, na hivyo kuifanya kuwa sawia kwa matumizi katika nchi yoyote, na inaonyesha jinsi ya kutengeza chumvi za kurejesha maji mwilini "kwa kutumia vifaa ambavyo mtu anayeishi katika jiji la bati anaweza kuvipata," pamoja na chupa za maji na vifuniko vyake: