The source is a blog post on the website "HSSE World" discussing designated hot work areas. The article focuses on safety requirements and best practices when performing hot work tasks, such as welding, cutting, and grinding, in high-risk environments like gas plants and construction sites. The post includes information about essential safety equipment, training requirements, permit procedures, and case studies of incidents to highlight common mistakes and their consequences. The blog aims to educate readers on how to effectively manage designated hot work areas to prevent fires, explosions, and injuries. Explore more at : https://hsseworld.com/understanding-designated-hot-work-areas-key-definitions-and-safety-requirements/