- For products and services, the process to gather raw materials, the 1st raw material production process and the product manufacturing process should be included.
- For durable goods that do not use energy and non-durable goods, the process to gather raw materials, the 1st raw material production process, the product manufacturing process and the product disposal process should be included.
- For energy-consuming durable goods, the process to gather raw materials, the product manufacturing process, the product use process and the disposal process should be included.