Can a person who has a plaster cast, and is unable to do ghusl, do tayammum?

He wakes up a quarter of an hour before sunrise and delays purifying himself because of waswaas; can he do tayammum?

How to do tayammum using stones

There is nothing wrong with a person who has done tayammum leading in prayer people who have done wudoo’

How can a person who is partially paralyzed do wudoo’ and pray?

He had a wet dream and was unable to do ghusl, so he did wudoo’ and prayed

There is no place to do wudoo’ in the college; can she do tayammum?

If he wakes up late and the water is cold, can he do tayammum?

If a person wakes up junub and fears that the time for prayer may end if he does ghusl, should he do tayammum?

Praying on a plane when one is unable to stand or face the qiblah