Portable Gas Leak Detector Market Size, Share & COVID-19 Impact Analysis, By Sensor Type (Electrochemical, Catalytic Bead Sensors, Photo-ionization, Infrared Point, Optical, Ultrasonic, and Others), By Technology (Single Gas and Multi Gas), By Product Type (Wearable and Non-Wearable), By End-user (Oil and Gas, Energy and Power, Electronics, Steel, Shipbuilding and Shipping, Firefighting and Rescue, Civil Engineering and Construction, and Others (Laboratory)), and Regional Forecast, 2023-2030