We can manufacture goods in factories (automobile industries),Workshop(simple machines like small crane)and Homes(papad,soap,etc) but school only teaches you but it is not a place to produce goods. Therefore, D is the right answer

Secondary Sector and Manufacturing Process

The secondary sector refers to the sector of the economy that involves the processing of raw materials and the manufacturing of goods. It includes activities such as construction, manufacturing, and electricity generation. In this sector, various manufacturing processes take place to transform raw materials into finished goods. However, out of the given options, the manufacturing process is not typically conducted in a school setting.

Factory - The Primary Manufacturing Location
A factory is a place where goods are produced on a large scale using machinery and labor. It is the primary location for manufacturing processes in the secondary sector. Factories are designed to accommodate the specific needs of the manufacturing process, including the use of specialized machinery and equipment. They are equipped with various facilities and resources required for efficient production, such as assembly lines, storage areas, and quality control departments.

Workshop - A Smaller-Scale Manufacturing Setting
A workshop is a smaller-scale manufacturing setting where goods are produced, repaired, or assembled. Unlike factories, workshops are usually smaller in size and often specialize in specific types of products or services. Workshops may be found in various industries, such as carpentry, metalworking, or automotive repair. These settings typically have a more hands-on approach to manufacturing, with skilled workers using tools and equipment to create or modify products.

Home - A Non-Traditional Manufacturing Setting
Interestingly, some manufacturing processes can also occur at home. Home-based businesses or cottage industries are examples of this. In such cases, individuals or small groups of people manufacture goods from their homes using their own resources and equipment. This can include activities like handicrafts, homemade food products, or small-scale production of goods that can be made with simple tools or machinery. However, it is important to note that the scale and complexity of manufacturing processes conducted at home are generally much smaller compared to factories or workshops.

School - A Non-Manufacturing Environment
Unlike factories, workshops, or even homes, schools are not typically involved in manufacturing processes. Schools are educational institutions where students learn various subjects and acquire knowledge and skills in different fields of study. While schools may have laboratories or workshops for practical training in subjects like science or technology, these settings are primarily for educational purposes rather than large-scale manufacturing. Schools focus on providing a conducive environment for learning and academic growth, rather than engaging in industrial production activities.

In conclusion, out of the given options, the manufacturing process is not typically conducted in a school setting. Factories and workshops are the primary locations for manufacturing processes in the secondary sector, while home-based businesses may also engage in small-scale manufacturing. Schools, on the other hand, primarily serve as educational institutions and do not usually participate in industrial manufacturing processes.