In the process of recovering damage from a fire, the first priority is to document the damage to the insurance company. This may include taking photographs and videos of property, compiling a list of damaged and lost items, and a detailed assessment of damages. According to the experience outlined in the article on fire damage restoration https://www.fortador-usa.com/blog/how-to-start-the-fire-damage-restoration-process, instruments to measure humidity level to start the drying process of the room.However, safety should always come first, so the first step should be to check for possible hazards.