• Air may leak in at the apparatus.
• The part to be tested is first immersed in a special penetrant which seeps into the finest cracks.
• Air may leak in at the apparatus.
• The part to be tested is first immersed in a special penetrant which seeps into the finest cracks.
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012