Text this: Centrifugal pump performance subjected to severe off-design operations

  ____     __   __     _____     ___              
 |  _ \\   \ \\/ //   / ___//   / _ \\      ___   
 | |_| ||   \ ` //    \___ \\  / //\ \\    /   || 
 | .  //     | ||     /    // |  ___  ||  | [] || 
 |_|\_\\     |_||    /____//  |_||  |_||   \__ || 
 `-` --`     `-`'   `-----`   `-`   `-`     -|_|| 
                                             `-`