This is the 614th most frequent Latvian word.
būvniecības
The Latvian word "būvniecības" translates to "construction" in English.
In this sentence, "būvniecības" is the genitive form of "būvniecība" (construction), used to specify the domain (industry).
Būvniecības nozare Latvijā pēdējā laikā strauji attīstās.
The construction industry in Latvia has recently been developing rapidly.
Here, "būvniecības" qualifies the noun "materiāli" (materials), forming a genitive case that describes what type of materials are being referred to.
Būvniecības materiāli ir ļoti svarīgi ēku celtniecībai.
Construction materials are very important for building structures.
In this context, "būvniecības" modifies "projekta" (project), indicating the project's purpose or area of focus.