Below is a list of the typical types of plant that you might expect to find at the above:

Steam Oven
Refrigeration Plant
Hot Water Heating/Supply Systems
Fork Lift Trucks
Pallet Trucks
Passenger/Goods Lifts
General Electrical/Mechanical Plant e.g. Motors, Pumps
Electrical Installations e.g. Fixed Wiring
Catering Equipment e.g. Mixers