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 Receivers
Hot Water Heating/Supply Systems
Cranes e.g. Overhead Travelling
Lifting Plant e.g. blocks and tackle, slings etc.
Fork Lift Trucks
General Electrical/Mechanical Plant e.g. Motors, Pumps
Electrical Installations e.g. Fixed Wiring