- gypsum bitumen-lime drilling mud
Универсальный англо-русский словарь. Академик.ру. 2011.
gypsum bitumen-lime drilling mud
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building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
