Chen Guanghui, an old urchin, turned his "machine" into gold, taught agricultural machinery in his war shirt, and contributed to helping farmers in rural areas without regret.

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Whether it's feeding chickens to geese and growing vegetables in his own fields, or demonstrating the dismantling of agricultural machinery at community colleges, Chen Guanghui, 78, always wears one-on-one workers' clothes and exudes a "black hand" all over his body. "I have five sets of professional overalls in orange, water blue, blue and black. I like to wear these clothes very much. It is very convenient for teaching or work." When he said this, Chen Guanghui's face was full of pride and self-confidence.

Indeed, as long as the top of the robe, Chen Guanghui immediately shines, especially in community college classes, with thick white hair, in a group of black students, is always the most dazzling one.

His daughter said that he could not stop and kept comfortable and leisurely days, but he was simply an "hyperactive old man" who insisted on running around. However, Chen Guanghui disagrees. "as long as it is properly maintained and used correctly, agricultural machinery can be used more and more easily," he said. People are exactly the same as agricultural machinery. If I don't come out for class, it will soon break down at home! "

Chen Guanghui, dressed in his overalls, talked about the radiant agricultural machinery (photography / Li Huiyi) who arrived early and left late, and students regarded Chen Guanghui as a divine figure.

In early September, the autumn class at Chimei Community College in Kaohsiung City began, and the course on maintenance and improvement of small-scale agricultural machinery (hereinafter referred to as "small-scale agricultural machinery class") is the same as before, fixed on every Tuesday morning.

Almost all the people who come to class are farmers. Chen Guanghui understands that the students always want to catch up with more farm work before the sun hurts people, so even if he starts class at nine o'clock, he is still willing to be the earliest fool to arrive. With the help of "big brother" Li Zongda, Chen Guanghui will first move all kinds of tools, consumables, and faulty agricultural machinery from the car to the open space under the big tree and olive kernel tree, place them one by one, and wait for the students to appear in order.

In almost every class, farmers bring lawnmowers to call for help. In the face of freshmen, Chen Guanghui can't help but read a few more words. "after mowing the grass, the rest of the oil cannot be left in the machine, otherwise the volatile matter will evaporate and the remaining oil will be very sticky and will be clogged. Remember, agricultural machinery is not worn out, it is broken without maintenance! " When it comes to the last sentence, Chen Guanghui will raise his head and accentuate.

Chen Guanghui can take care of both freshmen and old students in a class. As long as the faulty agricultural machinery brought by the students, none of them can beat him, and some students even whisper about the teacher's gossip, "Hey, I heard that Mr. Chen can also repair tanks and airplanes. Is that true?"

Chen Guanghui laughed loudly in this regard. "in fact, the concepts of maintenance are the same," he said. "the most important thing is that I hope students can treat agricultural machinery like human beings, listen to its voice, examine its appearance, explore its performance, and understand the owner's use habits. Only in this way can we find out the cause of the failure of agricultural machinery. Then after bold assumptions and careful disassembly and verification, we can find back the health of agricultural machinery."

Farmers listen attentively to Chen Guanghui's lecture (Photography / Li Huiyi) go to class everywhere and party around every day to "enlighten" the peasants and go deep into their hearts.

Perhaps it is a natural squint, or it is easy to squeeze out the smile line in the corner of the eye when you are old. Chen Guanghui, who is expressionless, is still smiling. "I try my best to realize that every agricultural machine is obviously the same factory brand and model, but the people who use it are different, and the performance of the machine is different. where the performance is good and where it is easy to break down, each machine has its own personality."

Before each class, Chen Guanghui does not know what agricultural machinery the students will bring and what problems they will ask, but he remains the same, and his teaching method has always been for teachers and students to find out the cause and find out the solution. In the process of discussion and disassembly, experienced old students lead entry-level freshmen, so that everyone's skills can improve day by day.

Li Zongda is a proud student of Chen Guanghui and the driving force behind the opening of Pingbei Community College. Like his teachers, he lives in Pingtung City, and over the past two or three years, he has volunteered as a driver to safely take his teachers to Qimei Social University, Xinhua Social University, or Zeng Wen University.

As soon as he arrives at the place of class, Li Zongda will take the initiative to assist the teacher to lead a group to discuss the implementation. If Chen Guanghui is too busy, he will immediately help his brother and sister-in-law "unravel" (unravel and explain). Li Zongda said, "Don't look at the teacher being so old. I find that he is getting younger and younger in class, and the whole person is becoming more and more energetic!"