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.
optoisolator. 1  A semiconductor device which allows electrical signals to be transferred between circuits, devices, or systems, while maintaining electrical isolation between them. 2  synonym optical coupler. 3  synonym optical isolator.  synonym optical 1  link. synonym optically-coupled isolator.  synonym 1  optocoupler. synonym optoelectronic isolator.