• Defense against attacking aircraft ...
• Protection against accidental break in the supply lines ...
• Protection of niobium from oxidation ...
• Defense against attacking aircraft ...
• Protection against accidental break in the supply lines ...
• Protection of niobium from oxidation ...
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012