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:
Ni bure kabisa, ikifanya ifae kutumiwa katika nchi yoyote, na huonyesha jinsi ya kutengeneza chumvi ya mdomoni "kutumia tu vitu ambavyo mtu anayeishi katika jiji la shiti angekuwa navyo," kutia ndani chupa za maji PET na kofia za chupa: