a trash-burning power plant i had worked at used to wait until dark to burn certain types of waste, including iodine waste, which would put off a purple smoke. i bet the purple in the hail is iodine.
a trash-burning power plant i had worked at used to wait until dark to burn certain types of waste, including iodine waste, which would put off a purple smoke. i bet the purple in the hail is iodine.
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