• The operator should guard against accidental contact of ...
• Tube failure and leakage, and dirty tubes are the main things which must be guarded against .
• The operator should guard against accidental contact of ...
• Tube failure and leakage, and dirty tubes are the main things which must be guarded against .
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012