Middle East and CIS Power Generator Rental Market Size, Share & COVID-19 Impact Analysis, By Power Rating (Below 75 kVA, 75-375 kVA, 375-750 kVA and Above 750 kVA), By Fuel Type (Diesel, Gas, and Others), By Application (Continuous Load, Standby Load, and Peak Load), By End-user (Telecom, Banking, Mining, Datacenter, Construction, Manufacturing, Tourism, and Others) and Regional Forecast, 2021-2028