Moe Salem  user askandrany   Please could you explain why you Delete  my paper some claim a copy right  st of all they are talking about  different subject  i just want to know why it was deleted httpsenwikipediaorgwikiWaterSideEvaporativeHeatRecovery    one paper that one it was in AirO company talking about indirect Evaporative cooleing  it dont have any  thing about energy recovery  this one is talking about Evaporativerecovery  to some one not from the industry they seem similar but they are not