Don't forget the Holy Water.
There's going to be an asperges ceremony?
If the special crystal vessel is ready (all metals, including gold and silver, melt), should we try it with the anhydrous perchloric acid batch I've been preparing? Needs to be blessed though.
I'm assuming this is a masonry building we're talking about. Also, that our guests will be placed in - what I will explain to OSHA as - a "hooded area".
Goggles will have to be worn by all. No way around that.