【Content】 This is a set of two books providing fundamental information on the JNA technical system. They contain content useful for obtaining qualifications and preparing for examinations. 【Features】 The book with the yellow cover is "JNA TECHNICAL SYSTEM G," and the book with the blue cover is "JNA TECHNICAL SYSTEM BASIC." Each book has a different price and is ideal as a resource for deepening specialized knowledge. 【Uses】 These are very useful educational materials for those aiming to obtain qualifications and those interested in the JNA technical system. - Color: Yellow - Color: Blue - Title: JNA TECHNICAL SYSTEM BASIC - Price: 3,688 yen - Price: 4,860 yen Thank you for viewing.