• The instrument is firmly secured .
• A pointer is rigidly attached to the centre of the scale beam.
• The engine is securely ( or firmly ) fastened to the hull.
• The instrument is firmly secured .
• A pointer is rigidly attached to the centre of the scale beam.
• The engine is securely ( or firmly ) fastened to the hull.
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012