Collaborative Robots Market Size, Share & COVID-19 Impact Analysis, By Payload Capacity (Up to 5 Kg, 6-10 Kg, 11 Kg and Above), By Application (Welding, Material Handling, Quality Testing, Painting/Spraying, Assembling, Others), By Industry (Automotive, Electronics & Semi-Conductors, Food & Beverages, Retail, Metal & Machining, Rubber & Plastic, Others), and Regional Forecast, 2021-2028