Which of these defines an industry focused on weight-losing production?

The correct definition of an industry focused on weight-losing production is minimizing transport costs of the final product. This concept is central to industries where the raw materials used in production are heavier or bulkier than the final products. In such cases, it is economically advantageous to locate production facilities closer to the source of raw materials to reduce transportation costs. By prioritizing the minimization of transport costs, companies can maintain profitability and optimize logistical efficiency when dealing with lighter final products resulting from weight-losing processes.

In contrast to this, the other options do not accurately define weight-losing industries. Producing products that gain weight during processing refers to industries where the final product is heavier than the input materials, which is not characteristic of weight-losing production. Industries where transportation adds value may apply to products that benefit from processing or refining during shipping, while industries with little to no waste in production focus on efficiency and sustainability rather than the weight dynamics during the production process.