Can you use a Lasko fan in a barn or agricultural setting?

Lasko manufactures fans that are designed, and rated to be used in a residential setting. The below is listed in each fan instruction manual that Lasko produces. Therefore, Lasko does not recommend the use of a fan in an agricultural setting which includes, but is not limited to barn usage. 

THIS FAN DOES NOT MEET THE REQUIREMENTS OF NEC ARTICLE 547-7 (2008).This Fan is not suitable for use in agricultural facilities including areas where livestock, poultry or other animals are confined. Please refer to National Electric Code (NEC) Article 547-7 (2008), or applicable state or local codes or standards relating to electrical requirements for agricultural buildings.