Kindly refer to the following link(s:)
How to make Tayammum and what are it's conditions?
Lessons in Fiqh (al-Tayammum "dry" ablution ) (long video)
Tayyammum on sand and Ghusl using sand
Tayammum and Wudu for a person who sustained injuries
How to perform Tayammum on a plane or bus to uplift major impurity?
Reference for combining Wudu & Tayammum for organs that we cann not wash or wipe
Can I do tayammum in extreme cold instead of ghusl for major sexual impurity?
And Allah Knows Best