How to cleanse oneself of pig-related impurity

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Check below answers in case you are looking for other related questions:
Dissecting mice and pigs, and touching the bones of a dead person who has been dissected
Wearing gloves made of pigskin

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Related Answers:
Ruling on raising pigs and rats for university laboratories
If a washing machine washes the clothes twice, is this sufficient to cleanse the clothes of any najaasah?
A new Muslim whose mother has a dog and she is asking about a number of rulings that have to do with tahaarah (purification)
Dissecting mice and pigs, and touching the bones of a dead person who has been dissected
Wearing gloves made of pigskin

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