Tangible wear and intangible wear are concepts that describe the decline in the value of machinery and equipment. Talent as a resource also faces tangible wear and intangible wear. Talent's physical wear refers to the physical and psychological development of talents with age and working hours. Status-related physical strength. Aggressiveness and cooperation. The intangible wear and tear of talents refers to the decline in the value of talents due to their relatively backward concepts, knowledge, and methods. According to the above definition, Which of the following are the intangible wear and tear of talents:. ['Chen Li of the department is not interested in the newly introduced remote sensing equipment and is not actively studying.', 'for 20 years in the same post, Director Liu sometimes feels irritable and loses his will.', "college graduate Zhao Gang's simple working method, often criticized by colleagues.", 'the 45-year-old leader of Wang often feels that his physical strength is not enough, and sends out a feeling of "more than enough heart".']