Logical Sensing Introvert: The Inspector
After reading through this profile my impression has been that Gulenko is mixing in traits of enneagram type 1
into this socionics profile, which is very common among ISTjs and Ijs in general. I would surmise that LSI E7s or wing-7s appreciate more spontaneity in their lives and may not relate to the parts about strict need for order and structure, which is more of an E1 trait.
Is distinguished by thoroughness, precision, and concreteness in professional matters. Carefully plans events, thoroughly examines and works out all the specifics. Puts work matters above sentiments. Takes all regulations into account. Keeps his personal things in order. He can always be relied on. Stoically endures life's hardships.
This is a man of strong will, diligent and enduring. He is insistent and demanding in execution and verification of tasks. Takes care of those