This is the 6712th most frequent Russian word.
rheinmetall
"Rheinmetall" is not a Russian word; it is the name of a German company specializing in defense and automotive technologies.
In this sentence, 'Rheinmetall' is used as a proper noun, referring to the company name in a formal context.
Компания Rheinmetall разрабатывает высокотехнологичное вооружение.
The company Rheinmetall develops high-tech weaponry.
Here, 'Rheinmetall' again is a proper noun, demonstrating its role as the subject of the sentence.
Rheinmetall демонстрирует успехи в оборонной промышленности.
Rheinmetall demonstrates successes in the defense industry.
In this example, 'Rheinmetall' is utilized to denote the origin of the described products, highlighting its contribution.