The chevrons reduced jet noise by 1.3 perceived loudness decibels during takeoff conditions, and are now offered as an option with the CFM56 for the Airbus A321.

And remember thou thy Lord within thyself with humility and fear , without loudness in word , in the morning and evenings and be thou not of the negligent .

And remember thou thy Lord within thyself with humility and fear , without loudness in word , in the morning and evenings and be thou not of the negligent .

Quality of service comprises requirements on all the aspects of a connection, such as service response time, loss, signal to noise ratio, crosstalk, echo, interrupts, frequency response, loudness levels, and so on.

And remember your Lord by your tongue and within yourself , humbly and with fear without loudness in words in the mornings , and in the afternoons and be not of those who are neglectful .

And remember your Lord by your tongue and within yourself , humbly and with fear without loudness in words in the mornings , and in the afternoons and be not of those who are neglectful .

And do thou ( O reader ! ) Bring thy Lord to remembrance in thy ( very ) soul , with humility and in reverence , without loudness in words , in the mornings and evenings and be not thou of those who are unheedful .

And do thou ( O reader ! ) Bring thy Lord to remembrance in thy ( very ) soul , with humility and in reverence , without loudness in words , in the mornings and evenings and be not thou of those who are unheedful .