Before revision: upright=1.35|Modern gas blowtorch upAn old-fashioned kerosene/paraffin blowtorch A blowtorch, also referred to as a blowlamp, is an ambient air fuel-burning kerosene lamp used for applying flame and heat to various applications, usually metalworking.
After revision: upright=1.35|Modern gas blowtorch upAn old-fashioned gas/paraffin blowtorch A blowtorch, also referred to as a blowlamp, is an ambient air fuel-burning kerosene lamp used for applying flame and heat to various applications, usually metalworking.