Twentynine Palms (also known as 29 Palms) is a city in San Bernardino County, California, United States. It was previously called Twenty-Nine Palms.
Flame Arrester. A Flame Arrester also spelled arrestor is a device which allows gas to pass through it but stops a flame in order to prevent a larger fire or explosion. There is an enormous variety of situations in which flame arresters are applied.
Centrifugal type spark arrestor. A spark arrestor is any device which prevents the emission of flammable debris from combustion sources, such as internal combustion engines, fireplaces, and wood burning stoves. Spark arrestors play a critical role in the prevention of wildland fire and ignition of explosive atmospheres.