Fomalin is a chemical substance, each pattern is a fomandihai. The medical use of fomalin in fermented corpse is not generally to rot. Disinfection is used to kill fungi. Properties that help kill germs and fungi have been used to preserve food grains after harvest and are used to protect the insects but are not allowed to use in food with these properties, so someone came with a clear head, bringing fomalin in fresh food to live as long. No spoilage speed
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