26.3 DEFINITIONSIn addition to the definitions given in section 1.3 DEFINITIONS of this code, the following should be noted.Contents26.3.1 Ferro-Magnetic Material26.3.2 Magnetic Field26.3.3 Magnetic Flux26.3.4 Magnetic Poles26.3.5 Permanent Magnet26.3.6 Electro Magnet26.3.7 Electro-Permanent Magnet