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.
Every fire investigator charged with performing origin and cause examinations should have (or have ready access to) a basic equipment kit. 1  A fire investigator's tools must never be coated with any type of rust preventative.