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

Air Pressure Plant e.g. Air Receiver
Hot Water Heating/Supply Systems
Cranes e.g. Overhead Travelling, Swing Jib Crane
Fork Lift Trucks
Pallet Trucks
General Lifting Plant e.g. blocks and tackle, slings etc.
Passenger/Goods Lifts
Local exhaust ventialtion plant e.g. dust and fume extraction
General Electrical/Mechanical Plant e.g. Motors, Pumps
Electrical Installations e.g. Fixed Wiring