3 ms·

You are totally right sir ! In the history of quenching [PDF here http://bit.ly/1ad9Akv http://bit.ly/1ad9Akv] the author states it was common to urine for que

by djulius 13y ago

You are totally right sir ! In the history of quenching [PDF here http://bit.ly/1ad9Akv http://bit.ly/1ad9Akv] the author states it was common to urine for quenching. This property seems to have independently been discovered by chinese and europeans.