#structural technology
- Aerotechnical — Belonging to aviation technology or relating to the construction, operation, and maintenance of aircraft; concerning aerotechnics. The term describes industrial mechanical processes, aerodynamic design standards, or precision devices specially designed for the civil and military aeronautical environment.
- Tannery — A specialized workshop, primitive tannery, or designated place where tanning is practiced, meaning the chemical and mechanical processing of raw animal hides to transform them into durable and flexible leather. In a structural and historical sense, the term denotes both the traditional craft of tanning and the rudimentary facilities (soaking vats, scraping tools) used by craftsmen to treat organic materials with tannin-rich astringent substances.