VEVOR Insulated Food Pan Carrier, 82 Qt Hot Box for Catering, LLDPE Food Box Carrier with Double Buckles, Front Loading Food Warmer with Handles, Stackable End Loader for Restaurant, Canteen, etc. Bla

Is there a way to lock the wheels on this unit or remove them? I want to utilize this in my outdoor kitchen and am concerned some wind could push it off if the wheels aren't locked or removed.

What are the best pans to use inside? How many and sizes?

Does this need ice to keep cool?