• Both parts of the belt must be in tension to maintain contact between the belt and the pulleys.
• The thread is taut .
• Both parts of the belt must be in tension to maintain contact between the belt and the pulleys.
• The thread is taut .
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012