Pocket Concrete Penetrometer....
Pollen and Spores Prepared Slide....
Polyethylene Widemouthed Bottles....
Polygon Of Forces Apparatus....
Polypropylene Carboys....
Portable Core Cutting Drilling Machine Petrol
....Portable Cylinder Boring Bar....
Portable Power Hand Drill....
Portable Tissue Culture Rack....
Portable Wheatstone Bridge....
Portbale Electric Shears....
Potentiometric Error Detector....
Power Brake Actual Working....