Global Kegs Market By Type (By Material, Plastic, Tin, Stainless Steel, By Capacity, Up to 20 Litre, 20 Litre to 40 Litre, 40 Litre to 60 Litre, and Above 60 Litre), By Application (Alcoholic Beverages, and Non- Alcoholic Beverages), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029