Sentence:  First, second and third base <WSD>magnetiferous</WSD> strips 70, 72 and 74 may be magnets. However, the inventor has found it more convenient to form these base <WSD>magnetiferous</WSD> strips of material that conducts magnetism and place between these strips two magnets 80, 82. 
Meaning of the word marked with <WSD> tags:  Producing or conducting magnetism