Asia Pacific Heat Tracing Market Size, Share & COVID-19 Impact, By Type (Electric and Steam), By Application (Power Temperature Maintenance, Hot Water Temperature Maintenance, Floor Heating, and Freezing Protection), By End-User (Oil & Gas, Chemical, Residential, Commercial, Food & Beverage, Pharmaceuticals, Water & Wastewater Management, Electric Utility, and Others), and Regional Forecast, 2021-2028