Text this: Simulation of a novel intermittent ventilation system for underground mines

 _____       ___     _____      _____     ______  
|  __ \\    / _ \\  |  __ \\   |  ___||  /_   _// 
| |  \ ||  / //\ \\ | |  \ ||  | ||__      | ||   
| |__/ || |  ___  ||| |__/ ||  | ||__     _| ||   
|_____//  |_||  |_|||_____//   |_____||  /__//    
 -----`   `-`   `-`  -----`    `-----`   `--`