United Kingdom Molded Plastics Market, by Product (Polyvinyl Chloride, Polypropylene, Polystyrene, Low Density Polyethylene, High Density Polyethylene, Polyethylene Terephthalate, Engineering Plastics), by Technology (Injection Molding, Blow Molding, Extrusion, Others), by Application (Building and Construction, Automotive, Electrical and Electronics, Packaging, Others): Opportunity Analysis and Industry Forecast, 2021-2031