I have wanted to write something for many years, but I always feel that my words are not good and I have no courage to write. However, the constant movement of the heart has made me unable to press the shackles and merge into one sentence: Thank you, my mentor and friend - "Mechanical Workers". I graduated from the technical school in 1989 and worked as a car mechanic in the tool factory. After attending the work, I had an occasional opportunity. I found a 32-year-old "Mechanical Worker" in the 8th issue of 1988 from the master's toolbox. The contents of the project involve equipment maintenance, tools, fixtures, measurements, small experiences, etc. I am very interested in these contents, and many of them can be used in practice, which not only improves production efficiency, but also reduces production costs. envy. From casual inadvertent to today’s mutual understanding, "Mechanical Worker" accompanied me through