This is the 8662nd most frequent Russian word.
пвх
PVC (Polyvinyl Chloride).
Here, the word 'ПВХ' refers to the material used for making the windows, demonstrating its use as a noun indicating polyvinyl chloride.
Окна в моем доме сделаны из ПВХ.
The windows in my house are made of PVC.
In this sentence, 'ПВХ' is used as the subject of the sentence, emphasizing its application in manufacturing.
ПВХ используется для производства различных пластиковых изделий.
PVC is used for producing various plastic products.
Here, 'ПВХ' is part of a descriptive noun phrase, highlighting its properties as a specific type of material.