constructionsusing
Constructionsusing is a term that appears to be a misspelling or a portmanteau. In its most direct interpretation, "constructions" refers to the act or process of building, the way something is built, or a structure. "Using" indicates the act of employing something for a purpose or to achieve a goal. Therefore, "constructionsusing" could broadly refer to the application or employment of building practices, architectural methods, or fabricated structures.
In a technical context, it might relate to the specific techniques or materials utilized in the construction