It is permissible to remove janaabah by means of tayammum when there is an excuse for that

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It is acceptable to pray wearing shoes?
Can he do tayammum when he is wearing khufoof (leather socks)?

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Related Answers:
He did not know that ghusl from janaabah is obligatory; should he repeat the prayers?
He had intercourse with his wife without ejaculating during the day in Ramadaan, because he was unaware that this is haraam, and he did not have a bath afterwards
Soundness of the fast of one who is junub
It is acceptable to pray wearing shoes?
Can he do tayammum when he is wearing khufoof (leather socks)?

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