Quilting threads can be made from natural fibers such as wool, silk, cotton, flax and jute. Some threads are regenerated from cellulose and others are made from synthetic fibers, such as metallic, polyester and nylon. Cotton, metallic and rayon are among the most popular threads used for machine quilting.
The Fire/Arson Investigation Unit is responsible for investigating and determining the cause and origin of suspicious fires involving death or injury, and fires of undetermined origin. Arresting suspects and filing criminal charges as required with District Attorney's office. Collecting and maintaining all evidence.
Contact first responders and establish presence. The investigator should meet with the incident commander and first responders to assess previous events and the current status of the fire scene, make introductions, identify essential personnel, and determine scene safety and integrity issues. The investigator should: 1  Ask first responders where an entry was made, what steps were taken to gain entry to the building or vehicle, and whether any systems had been activated when they arrived at the scene. 2  Observe and document the condition of doors, windows, other openings, and fire separations (e.g., fire doors).