What are the key differences between masjid and prayer halls?
Taraweeh 8 or 20?
In short Eye drops are allowed. Inhalers aren’t.
Praying tahiyyat-al-masjid or any other prayer during the Jumu’ah khutba (Friday sermon) is not allowed as per Hanafi school. There is a difference of opinion about this in other schools. An academic explanation is given in the audio.