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The National Safeman is one of the premiere magazines for professional safe technicians.  It comes out quarterly, and is packed from cover to cover with field-usable information. 

Right now, NSO is offering FREE Dave McOmie books just for joining: 

  • One book for a one-year membership!
  • Three books of your choice for a two-year membership!

For a printable application to join NSO and receive your free book(s), click here: NSO Application.