Japanese craft used and not just to be displayed and thus, the border between craft and art was not always very clear. Crafts were needed by all strata of society and became increasingly sophisticated in their design and execution. Craft had close ties to folk art, but developed into fine art as well as the concept of "wabi-sabi" aesthetics. Craftsmen and women therefore became artisans with increasing sophistication. However wares were not just produced for domestic consumption, but at some point items such as ceramics made by studio craft were produced for export and became an important pillar of the economy. Family
Torpedo trials craft "This list is incomplete" Torpedo trials craft Torpedo trials craft are primarily naval auxiliaries used by navies for the development of new naval torpedoes and during practise firings. These craft are designed to track and monitor the torpedo and to be able to locate and retrieve the spent torpedo for analysis, and refurbishment for reuse. Torpedo trials craft had their greatest use during the years around World War II when the torpedo was the primary anti-ship weapon of submarines, destroyers and naval aircraft. Modern navies will usually not have ships dedicated to this one role, but have multirole underwater support