The content of this course is to teach the characteristics and uses of various agricultural machinery and related knowledge of factory operations, including projects related to factory operations, agricultural power and agricultural operation machinery. Agricultural power mainly introduces the working principle and structure of engines (including gasoline and diesel engines) and electric motors. Agricultural operation machinery introduces seedlings, soil preparation, sowing, cultivating and weeding, soil cultivation, irrigation, pest control, fertilization, harvesting, transportation, etc., as well as post-harvest processing equipment and greenhouse environmental control facilities for agricultural products. Introduction and maintenance of agricultural applications.