The most frequently searched terms online include: “trench formwork”, “trench shoring”, “trench shoring for sale”, “trench formwork for sale”, “trench shoring rental” or “trench formwork rental”, ll referring to the same product under different names. It may be worth knowing the correct terminology and using it consistently in both engineering and commercial communication. Why, even decades after the introduction of modular shoring systems for temporary excavations, do we still use so many different names?