Metal Casting Market Forecast to 2030 – COVID-19 Impact and Global Analysis – by Product Type (Carbon Steel Alloys, Stainless Steel Alloys, Aluminum Alloys, Grey Iron, Ductile Iron, and Others), Process (Sand Casting, Investment Casting, Gravity Die Casting, and Others), and Application (Automotive, Aerospace, Marine, Textile, Building and Construction, Oil and Gas, Industrial Machinery, and Others)