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Science and nature
"Nirikutoku" is one of these books! It gently explains the points to pass! This is the revised edition of "The Second Class Special Radio Operator Examination on Land" published in February 2014 as a preparation document for the examination of the second class special radio operator examination on land (Nirikutoku). While "Contents focused on the points to be taken in the examination" and "Gentle and careful explanation", which are the characteristics of the series of "The Gentle Learning of the Radio Operator Examination, have been left as they are, this revision has greatly increased the number of figures and illustrations to provide more easy-to-understand text. In addition, we have added and changed problems that have tended to appear in the examination recently, so this is the best way to prepare for the examination!