• A metal specimen is bent through 90 deg .
• The ridge makes ( or takes ) a 60° bend .
• A metal specimen is bent through 90 deg .
• The ridge makes ( or takes ) a 60° bend .
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012