![Una gota de agua](https://i3.wp.com/image.tmdb.org/t/p/w185/snjq8lW6xk1PavKoKfCHMboBxYD.jpg)
Plot
A drop of water is taken to a laboratory in San Juan, Puerto Rico to determine its purity. The film communicates scientific health information, such as the need to boil drinking water.
Writer | Edwin Rosskam |
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Director | Jack Delano |
Actor | Amílcar Tirado |
Country | Puerto Rico |
Production | Comisión de Parques y Recreos Públicos de Puerto Rico |