Photographers shooting trade shows need to know the system. Many trade shows have a lot of Generals wanting to be in charge. Know who your boss is and what position they have in the list. This way if you are authorized to take images and under contract to cover every booth then you know where to refer those not wanting booth images. No problem, speak with xyz if you want off the list. It is not My list...I just do what I ma contracted. This makes things a lot simpler.
Step Ladder: Not easy to get if you need a higher angle for a grand opening/ribbon cutting. Expect several layers of red tape to secure a ladder and a security person to hold it just in case. I know they are doing it for safety but we are not climbing to the top so not a big risk of falling.
Make every shot look like a full room. F2.8 helps make the background hard to view and hides an empty room.
I like to do a quick round to get the CYA shots then go back for more detailed work in case the crown leaves fast. No matter what I fulfilled my part of the contract.