The invention relates to a product, which may take a wide variety of forms but which is exemplified by a pipe or a panel. The product has a first function, such as that normally expected of a pipe or a panel, and a second function different from the first. The second function is chosen from a group consisting of: delivery of energy, for a first purpose, delivery of energy for a second purpose, delivery of data for a first purpose, delivery of data for a second purpose, switching. The product has incorporated in its means capable of enabling the product to be used as medium to perform the second function. The invention also concerns a method of manufacturing the products.