Describir: Microscopic spheroidal particles obtained by laser cutting

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