What are the chemical fume hoods?

A five-sided enclosed device is a fume hood to eliminate vapors, toxic fumes, and dust particles in cleanrooms. This local ventilation apparatus is the most reliable for controlling different aspects within a lab. 

A hood comprises gases, specks of dust, or microbes and puts them outside with the assistance of the exhaust procedure. Furthermore, it protects workers from splashes, fires, or minor explosions that mostly happen inside a closure.