Text this: Possible solutions to the problems commonly encountered by students at Hanoi University of Technology in pronouncing the English affricative consonants

 _    _      ___     _____      _____     ______  
| || | ||   / _ \\  |  __ \\   |  ___||  /_   _// 
| || | ||  | / \ || | |  \ ||  | ||__    `-| |,-  
| \\_/ ||  | \_/ || | |__/ ||  | ||__      | ||   
 \____//    \___//  |_____//   |_____||    |_||   
  `---`     `---`    -----`    `-----`     `-`'